Home / 482,508,201.45-723,642,727.92-137,464,817.79

Finding the Fourth Proportional to 482,508,201.45, 723,642,727.92 and 137,464,817.79

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Solution

The fourth proportional to 482,508,201.45, 723,642,727.92 and 137,464,817.79 is: 206,163,160.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,508,201.45 : 723,642,727.92 = 137,464,817.79 : x
  2. Step 2: Convert to fraction form
    482,508,201.45/723,642,727.92 = 137,464,817.79/x
  3. Step 3: Cross multiply
    482,508,201.45x = 723,642,727.92 × 137,464,817.79
  4. Step 4: Simplify right side
    482,508,201.45x = 99,475,415,738,581,328
  5. Step 5: Solve for x
    x = 99,475,415,738,581,328/482,508,201.45
  6. Step 6: Final answer
    x = 206,163,160.42

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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.