Home / 3,533,621,880.70-5,300,432,821.05-2,989,426,296.70

Finding the Fourth Proportional to 3,533,621,880.70, 5,300,432,821.05 and 2,989,426,296.70

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Solution

The fourth proportional to 3,533,621,880.70, 5,300,432,821.05 and 2,989,426,296.70 is: 4,484,139,445.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,533,621,880.70 : 5,300,432,821.05 = 2,989,426,296.70 : x
  2. Step 2: Convert to fraction form
    3,533,621,880.70/5,300,432,821.05 = 2,989,426,296.70/x
  3. Step 3: Cross multiply
    3,533,621,880.70x = 5,300,432,821.05 × 2,989,426,296.70
  4. Step 4: Simplify right side
    3,533,621,880.70x = 15,845,253,259,138,635,776
  5. Step 5: Solve for x
    x = 15,845,253,259,138,635,776/3,533,621,880.70
  6. Step 6: Final answer
    x = 4,484,139,445.05

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Half scale
Find fourth proportional to 7,067,243,761.40, 10,600,865,642.10 and 5,978,852,593.40
Double scale
Find fourth proportional to 3,533,621,881.70, 5,300,432,822.55 and 2,989,426,297.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.