Home / 316,502,257.20-474,753,385.80-178,185,879.60

Finding the Fourth Proportional to 316,502,257.20, 474,753,385.80 and 178,185,879.60

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Solution

The fourth proportional to 316,502,257.20, 474,753,385.80 and 178,185,879.60 is: 267,278,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,502,257.20 : 474,753,385.80 = 178,185,879.60 : x
  2. Step 2: Convert to fraction form
    316,502,257.20/474,753,385.80 = 178,185,879.60/x
  3. Step 3: Cross multiply
    316,502,257.20x = 474,753,385.80 × 178,185,879.60
  4. Step 4: Simplify right side
    316,502,257.20x = 84,594,349,641,851,152
  5. Step 5: Solve for x
    x = 84,594,349,641,851,152/316,502,257.20
  6. Step 6: Final answer
    x = 267,278,819.40

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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.