Home / 485,048,214.40-727,678,609.80-239,522,472.40

Finding the Fourth Proportional to 485,048,214.40, 727,678,609.80 and 239,522,472.40

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Solution

The fourth proportional to 485,048,214.40, 727,678,609.80 and 239,522,472.40 is: 359,336,194.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,048,214.40 : 727,678,609.80 = 239,522,472.40 : x
  2. Step 2: Convert to fraction form
    485,048,214.40/727,678,609.80 = 239,522,472.40/x
  3. Step 3: Cross multiply
    485,048,214.40x = 727,678,609.80 × 239,522,472.40
  4. Step 4: Simplify right side
    485,048,214.40x = 174,295,379,731,890,848
  5. Step 5: Solve for x
    x = 174,295,379,731,890,848/485,048,214.40
  6. Step 6: Final answer
    x = 359,336,194.95

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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.