Home / 485,005,670.20-727,508,505.30-239,479,928.20

Finding the Fourth Proportional to 485,005,670.20, 727,508,505.30 and 239,479,928.20

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Solution

The fourth proportional to 485,005,670.20, 727,508,505.30 and 239,479,928.20 is: 359,219,892.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,005,670.20 : 727,508,505.30 = 239,479,928.20 : x
  2. Step 2: Convert to fraction form
    485,005,670.20/727,508,505.30 = 239,479,928.20/x
  3. Step 3: Cross multiply
    485,005,670.20x = 727,508,505.30 × 239,479,928.20
  4. Step 4: Simplify right side
    485,005,670.20x = 174,223,684,614,133,312
  5. Step 5: Solve for x
    x = 174,223,684,614,133,312/485,005,670.20
  6. Step 6: Final answer
    x = 359,219,892.30

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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.