Home / 765,207,005.40-1,147,952,225.70-247,654,330.20

Finding the Fourth Proportional to 765,207,005.40, 1,147,952,225.70 and 247,654,330.20

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Solution

The fourth proportional to 765,207,005.40, 1,147,952,225.70 and 247,654,330.20 is: 371,527,361.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,207,005.40 : 1,147,952,225.70 = 247,654,330.20 : x
  2. Step 2: Convert to fraction form
    765,207,005.40/1,147,952,225.70 = 247,654,330.20/x
  3. Step 3: Cross multiply
    765,207,005.40x = 1,147,952,225.70 × 247,654,330.20
  4. Step 4: Simplify right side
    765,207,005.40x = 284,295,339,557,332,736
  5. Step 5: Solve for x
    x = 284,295,339,557,332,736/765,207,005.40
  6. Step 6: Final answer
    x = 371,527,361.29

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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.