Home / 372,418,719.52-513,953,778-207,406,288.48

Finding the Fourth Proportional to 372,418,719.52, 513,953,778 and 207,406,288.48

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Solution

The fourth proportional to 372,418,719.52, 513,953,778 and 207,406,288.48 is: 286,229,558.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,418,719.52 : 513,953,778 = 207,406,288.48 : x
  2. Step 2: Convert to fraction form
    372,418,719.52/513,953,778 = 207,406,288.48/x
  3. Step 3: Cross multiply
    372,418,719.52x = 513,953,778 × 207,406,288.48
  4. Step 4: Simplify right side
    372,418,719.52x = 106,597,245,545,253,872
  5. Step 5: Solve for x
    x = 106,597,245,545,253,872/372,418,719.52
  6. Step 6: Final answer
    x = 286,229,558.18

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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.