Home / 414,715,311.78-622,068,709.56-239,727,001.68

Finding the Fourth Proportional to 414,715,311.78, 622,068,709.56 and 239,727,001.68

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Solution

The fourth proportional to 414,715,311.78, 622,068,709.56 and 239,727,001.68 is: 359,588,041.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,715,311.78 : 622,068,709.56 = 239,727,001.68 : x
  2. Step 2: Convert to fraction form
    414,715,311.78/622,068,709.56 = 239,727,001.68/x
  3. Step 3: Cross multiply
    414,715,311.78x = 622,068,709.56 × 239,727,001.68
  4. Step 4: Simplify right side
    414,715,311.78x = 149,126,666,581,765,536
  5. Step 5: Solve for x
    x = 149,126,666,581,765,536/414,715,311.78
  6. Step 6: Final answer
    x = 359,588,041.11

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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.