Home / 380,712,981.86-571,071,443.44-173,306,344.74

Finding the Fourth Proportional to 380,712,981.86, 571,071,443.44 and 173,306,344.74

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Solution

The fourth proportional to 380,712,981.86, 571,071,443.44 and 173,306,344.74 is: 259,960,414.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,712,981.86 : 571,071,443.44 = 173,306,344.74 : x
  2. Step 2: Convert to fraction form
    380,712,981.86/571,071,443.44 = 173,306,344.74/x
  3. Step 3: Cross multiply
    380,712,981.86x = 571,071,443.44 × 173,306,344.74
  4. Step 4: Simplify right side
    380,712,981.86x = 98,970,304,447,982,064
  5. Step 5: Solve for x
    x = 98,970,304,447,982,064/380,712,981.86
  6. Step 6: Final answer
    x = 259,960,414.18

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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.