Home / 417,574,474.59-626,125,614.68-137,379,566.43

Finding the Fourth Proportional to 417,574,474.59, 626,125,614.68 and 137,379,566.43

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Solution

The fourth proportional to 417,574,474.59, 626,125,614.68 and 137,379,566.43 is: 205,991,675.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,574,474.59 : 626,125,614.68 = 137,379,566.43 : x
  2. Step 2: Convert to fraction form
    417,574,474.59/626,125,614.68 = 137,379,566.43/x
  3. Step 3: Cross multiply
    417,574,474.59x = 626,125,614.68 × 137,379,566.43
  4. Step 4: Simplify right side
    417,574,474.59x = 86,016,865,475,799,104
  5. Step 5: Solve for x
    x = 86,016,865,475,799,104/417,574,474.59
  6. Step 6: Final answer
    x = 205,991,675.04

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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.