Home / 1,432,399,913.88-2,148,599,754.17-397,260,781.62

Finding the Fourth Proportional to 1,432,399,913.88, 2,148,599,754.17 and 397,260,781.62

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Solution

The fourth proportional to 1,432,399,913.88, 2,148,599,754.17 and 397,260,781.62 is: 595,891,140.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,399,913.88 : 2,148,599,754.17 = 397,260,781.62 : x
  2. Step 2: Convert to fraction form
    1,432,399,913.88/2,148,599,754.17 = 397,260,781.62/x
  3. Step 3: Cross multiply
    1,432,399,913.88x = 2,148,599,754.17 × 397,260,781.62
  4. Step 4: Simplify right side
    1,432,399,913.88x = 853,554,417,730,114,048
  5. Step 5: Solve for x
    x = 853,554,417,730,114,048/1,432,399,913.88
  6. Step 6: Final answer
    x = 595,891,140.08

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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.