Home / 702,732,436.15-969,770,852.19-389,486,873.11

Finding the Fourth Proportional to 702,732,436.15, 969,770,852.19 and 389,486,873.11

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Solution

The fourth proportional to 702,732,436.15, 969,770,852.19 and 389,486,873.11 is: 537,491,934.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,732,436.15 : 969,770,852.19 = 389,486,873.11 : x
  2. Step 2: Convert to fraction form
    702,732,436.15/969,770,852.19 = 389,486,873.11/x
  3. Step 3: Cross multiply
    702,732,436.15x = 969,770,852.19 × 389,486,873.11
  4. Step 4: Simplify right side
    702,732,436.15x = 377,713,016,852,703,104
  5. Step 5: Solve for x
    x = 377,713,016,852,703,104/702,732,436.15
  6. Step 6: Final answer
    x = 537,491,934.94

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.