Home / 658,916,339.68-988,370,077.20-167,625,393.76

Finding the Fourth Proportional to 658,916,339.68, 988,370,077.20 and 167,625,393.76

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Solution

The fourth proportional to 658,916,339.68, 988,370,077.20 and 167,625,393.76 is: 251,436,963.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,916,339.68 : 988,370,077.20 = 167,625,393.76 : x
  2. Step 2: Convert to fraction form
    658,916,339.68/988,370,077.20 = 167,625,393.76/x
  3. Step 3: Cross multiply
    658,916,339.68x = 988,370,077.20 × 167,625,393.76
  4. Step 4: Simplify right side
    658,916,339.68x = 165,675,923,371,251,584
  5. Step 5: Solve for x
    x = 165,675,923,371,251,584/658,916,339.68
  6. Step 6: Final answer
    x = 251,436,963.08

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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.