Home / 386,925,718.20-580,372,365.30-124,604,462.73

Finding the Fourth Proportional to 386,925,718.20, 580,372,365.30 and 124,604,462.73

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Solution

The fourth proportional to 386,925,718.20, 580,372,365.30 and 124,604,462.73 is: 186,901,473.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,925,718.20 : 580,372,365.30 = 124,604,462.73 : x
  2. Step 2: Convert to fraction form
    386,925,718.20/580,372,365.30 = 124,604,462.73/x
  3. Step 3: Cross multiply
    386,925,718.20x = 580,372,365.30 × 124,604,462.73
  4. Step 4: Simplify right side
    386,925,718.20x = 72,316,986,761,545,792
  5. Step 5: Solve for x
    x = 72,316,986,761,545,792/386,925,718.20
  6. Step 6: Final answer
    x = 186,901,473.23

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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.