Home / 3,533,621,885.70-5,300,432,828.55-2,989,426,301.70

Finding the Fourth Proportional to 3,533,621,885.70, 5,300,432,828.55 and 2,989,426,301.70

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Solution

The fourth proportional to 3,533,621,885.70, 5,300,432,828.55 and 2,989,426,301.70 is: 4,484,139,452.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,533,621,885.70 : 5,300,432,828.55 = 2,989,426,301.70 : x
  2. Step 2: Convert to fraction form
    3,533,621,885.70/5,300,432,828.55 = 2,989,426,301.70/x
  3. Step 3: Cross multiply
    3,533,621,885.70x = 5,300,432,828.55 × 2,989,426,301.70
  4. Step 4: Simplify right side
    3,533,621,885.70x = 15,845,253,308,061,495,296
  5. Step 5: Solve for x
    x = 15,845,253,308,061,495,296/3,533,621,885.70
  6. Step 6: Final answer
    x = 4,484,139,452.55

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Half scale
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Double scale
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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.