Home / 482,508,200.45-723,642,726.42-137,464,816.79

Finding the Fourth Proportional to 482,508,200.45, 723,642,726.42 and 137,464,816.79

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Solution

The fourth proportional to 482,508,200.45, 723,642,726.42 and 137,464,816.79 is: 206,163,158.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,508,200.45 : 723,642,726.42 = 137,464,816.79 : x
  2. Step 2: Convert to fraction form
    482,508,200.45/723,642,726.42 = 137,464,816.79/x
  3. Step 3: Cross multiply
    482,508,200.45x = 723,642,726.42 × 137,464,816.79
  4. Step 4: Simplify right side
    482,508,200.45x = 99,475,414,810,550,480
  5. Step 5: Solve for x
    x = 99,475,414,810,550,480/482,508,200.45
  6. Step 6: Final answer
    x = 206,163,158.92

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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.