Home / 431,404,901.10-647,107,351.65-359,660,366.10

Finding the Fourth Proportional to 431,404,901.10, 647,107,351.65 and 359,660,366.10

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Solution

The fourth proportional to 431,404,901.10, 647,107,351.65 and 359,660,366.10 is: 539,490,549.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,404,901.10 : 647,107,351.65 = 359,660,366.10 : x
  2. Step 2: Convert to fraction form
    431,404,901.10/647,107,351.65 = 359,660,366.10/x
  3. Step 3: Cross multiply
    431,404,901.10x = 647,107,351.65 × 359,660,366.10
  4. Step 4: Simplify right side
    431,404,901.10x = 232,738,867,000,440,448
  5. Step 5: Solve for x
    x = 232,738,867,000,440,448/431,404,901.10
  6. Step 6: Final answer
    x = 539,490,549.15

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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.