Home / 380,712,942.90-571,071,384.96-173,306,305.74

Finding the Fourth Proportional to 380,712,942.90, 571,071,384.96 and 173,306,305.74

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Solution

The fourth proportional to 380,712,942.90, 571,071,384.96 and 173,306,305.74 is: 259,960,355.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,712,942.90 : 571,071,384.96 = 173,306,305.74 : x
  2. Step 2: Convert to fraction form
    380,712,942.90/571,071,384.96 = 173,306,305.74/x
  3. Step 3: Cross multiply
    380,712,942.90x = 571,071,384.96 × 173,306,305.74
  4. Step 4: Simplify right side
    380,712,942.90x = 98,970,272,041,243,008
  5. Step 5: Solve for x
    x = 98,970,272,041,243,008/380,712,942.90
  6. Step 6: Final answer
    x = 259,960,355.66

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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.