Home / 579,420,200.70-869,130,301.05-514,922,946.30

Finding the Fourth Proportional to 579,420,200.70, 869,130,301.05 and 514,922,946.30

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Solution

The fourth proportional to 579,420,200.70, 869,130,301.05 and 514,922,946.30 is: 772,384,419.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,420,200.70 : 869,130,301.05 = 514,922,946.30 : x
  2. Step 2: Convert to fraction form
    579,420,200.70/869,130,301.05 = 514,922,946.30/x
  3. Step 3: Cross multiply
    579,420,200.70x = 869,130,301.05 × 514,922,946.30
  4. Step 4: Simplify right side
    579,420,200.70x = 447,535,135,335,272,000
  5. Step 5: Solve for x
    x = 447,535,135,335,272,000/579,420,200.70
  6. Step 6: Final answer
    x = 772,384,419.45

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Half scale
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Double scale
Find fourth proportional to 579,420,201.70, 869,130,302.55 and 514,922,947.30
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.