Home / 761,843,144.57-1,051,425,734.87-431,782,854.17

Finding the Fourth Proportional to 761,843,144.57, 1,051,425,734.87 and 431,782,854.17

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Solution

The fourth proportional to 761,843,144.57, 1,051,425,734.87 and 431,782,854.17 is: 595,906,923.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,843,144.57 : 1,051,425,734.87 = 431,782,854.17 : x
  2. Step 2: Convert to fraction form
    761,843,144.57/1,051,425,734.87 = 431,782,854.17/x
  3. Step 3: Cross multiply
    761,843,144.57x = 1,051,425,734.87 × 431,782,854.17
  4. Step 4: Simplify right side
    761,843,144.57x = 453,987,604,745,780,608
  5. Step 5: Solve for x
    x = 453,987,604,745,780,608/761,843,144.57
  6. Step 6: Final answer
    x = 595,906,923.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.