Home / 414,715,312.78-622,068,711.06-239,727,002.68

Finding the Fourth Proportional to 414,715,312.78, 622,068,711.06 and 239,727,002.68

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Solution

The fourth proportional to 414,715,312.78, 622,068,711.06 and 239,727,002.68 is: 359,588,042.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,715,312.78 : 622,068,711.06 = 239,727,002.68 : x
  2. Step 2: Convert to fraction form
    414,715,312.78/622,068,711.06 = 239,727,002.68/x
  3. Step 3: Cross multiply
    414,715,312.78x = 622,068,711.06 × 239,727,002.68
  4. Step 4: Simplify right side
    414,715,312.78x = 149,126,667,563,424,768
  5. Step 5: Solve for x
    x = 149,126,667,563,424,768/414,715,312.78
  6. Step 6: Final answer
    x = 359,588,042.61

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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.