Home / 515,398,384.74-711,243,792.23-280,444,997.13

Finding the Fourth Proportional to 515,398,384.74, 711,243,792.23 and 280,444,997.13

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Solution

The fourth proportional to 515,398,384.74, 711,243,792.23 and 280,444,997.13 is: 387,010,842.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,398,384.74 : 711,243,792.23 = 280,444,997.13 : x
  2. Step 2: Convert to fraction form
    515,398,384.74/711,243,792.23 = 280,444,997.13/x
  3. Step 3: Cross multiply
    515,398,384.74x = 711,243,792.23 × 280,444,997.13
  4. Step 4: Simplify right side
    515,398,384.74x = 199,464,763,269,270,432
  5. Step 5: Solve for x
    x = 199,464,763,269,270,432/515,398,384.74
  6. Step 6: Final answer
    x = 387,010,842.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.