Home / 384,912,076.80-577,390,233.60-112,324,915.20

Finding the Fourth Proportional to 384,912,076.80, 577,390,233.60 and 112,324,915.20

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Solution

The fourth proportional to 384,912,076.80, 577,390,233.60 and 112,324,915.20 is: 168,493,827.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,912,076.80 : 577,390,233.60 = 112,324,915.20 : x
  2. Step 2: Convert to fraction form
    384,912,076.80/577,390,233.60 = 112,324,915.20/x
  3. Step 3: Cross multiply
    384,912,076.80x = 577,390,233.60 × 112,324,915.20
  4. Step 4: Simplify right side
    384,912,076.80x = 64,855,309,026,428,192
  5. Step 5: Solve for x
    x = 64,855,309,026,428,192/384,912,076.80
  6. Step 6: Final answer
    x = 168,493,827.38

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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.