Home / 353,357,557.27-530,278,449.05-123,326,641.87

Finding the Fourth Proportional to 353,357,557.27, 530,278,449.05 and 123,326,641.87

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Solution

The fourth proportional to 353,357,557.27, 530,278,449.05 and 123,326,641.87 is: 185,074,463.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,357,557.27 : 530,278,449.05 = 123,326,641.87 : x
  2. Step 2: Convert to fraction form
    353,357,557.27/530,278,449.05 = 123,326,641.87/x
  3. Step 3: Cross multiply
    353,357,557.27x = 530,278,449.05 × 123,326,641.87
  4. Step 4: Simplify right side
    353,357,557.27x = 65,397,460,377,368,392
  5. Step 5: Solve for x
    x = 65,397,460,377,368,392/353,357,557.27
  6. Step 6: Final answer
    x = 185,074,463.62

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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.