Home / 372,430,489.96-513,970,005.54-207,418,033

Finding the Fourth Proportional to 372,430,489.96, 513,970,005.54 and 207,418,033

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Solution

The fourth proportional to 372,430,489.96, 513,970,005.54 and 207,418,033 is: 286,245,757.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,430,489.96 : 513,970,005.54 = 207,418,033 : x
  2. Step 2: Convert to fraction form
    372,430,489.96/513,970,005.54 = 207,418,033/x
  3. Step 3: Cross multiply
    372,430,489.96x = 513,970,005.54 × 207,418,033
  4. Step 4: Simplify right side
    372,430,489.96x = 106,606,647,570,105,904
  5. Step 5: Solve for x
    x = 106,606,647,570,105,904/372,430,489.96
  6. Step 6: Final answer
    x = 286,245,757.11

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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.