Home / 801,657,998.90-1,202,486,998.35-724,173,901.10

Finding the Fourth Proportional to 801,657,998.90, 1,202,486,998.35 and 724,173,901.10

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Solution

The fourth proportional to 801,657,998.90, 1,202,486,998.35 and 724,173,901.10 is: 1,086,260,851.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,657,998.90 : 1,202,486,998.35 = 724,173,901.10 : x
  2. Step 2: Convert to fraction form
    801,657,998.90/1,202,486,998.35 = 724,173,901.10/x
  3. Step 3: Cross multiply
    801,657,998.90x = 1,202,486,998.35 × 724,173,901.10
  4. Step 4: Simplify right side
    801,657,998.90x = 870,809,700,617,148,672
  5. Step 5: Solve for x
    x = 870,809,700,617,148,672/801,657,998.90
  6. Step 6: Final answer
    x = 1,086,260,851.65

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Double scale
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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.