Home / 487,156,964.55-730,735,446.83-228,876,638.55

Finding the Fourth Proportional to 487,156,964.55, 730,735,446.83 and 228,876,638.55

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Solution

The fourth proportional to 487,156,964.55, 730,735,446.83 and 228,876,638.55 is: 343,314,957.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,156,964.55 : 730,735,446.83 = 228,876,638.55 : x
  2. Step 2: Convert to fraction form
    487,156,964.55/730,735,446.83 = 228,876,638.55/x
  3. Step 3: Cross multiply
    487,156,964.55x = 730,735,446.83 × 228,876,638.55
  4. Step 4: Simplify right side
    487,156,964.55x = 167,248,272,738,638,304
  5. Step 5: Solve for x
    x = 167,248,272,738,638,304/487,156,964.55
  6. Step 6: Final answer
    x = 343,314,957.83

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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.