Home / 502,244,456.40-752,960,135.88-157,020,382.80

Finding the Fourth Proportional to 502,244,456.40, 752,960,135.88 and 157,020,382.80

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Solution

The fourth proportional to 502,244,456.40, 752,960,135.88 and 157,020,382.80 is: 235,403,471.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,244,456.40 : 752,960,135.88 = 157,020,382.80 : x
  2. Step 2: Convert to fraction form
    502,244,456.40/752,960,135.88 = 157,020,382.80/x
  3. Step 3: Cross multiply
    502,244,456.40x = 752,960,135.88 × 157,020,382.80
  4. Step 4: Simplify right side
    502,244,456.40x = 118,230,088,769,017,616
  5. Step 5: Solve for x
    x = 118,230,088,769,017,616/502,244,456.40
  6. Step 6: Final answer
    x = 235,403,471.88

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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.