Home / 392,432,116.78-588,734,367.60-116,061,784.40

Finding the Fourth Proportional to 392,432,116.78, 588,734,367.60 and 116,061,784.40

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Solution

The fourth proportional to 392,432,116.78, 588,734,367.60 and 116,061,784.40 is: 174,118,168.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,432,116.78 : 588,734,367.60 = 116,061,784.40 : x
  2. Step 2: Convert to fraction form
    392,432,116.78/588,734,367.60 = 116,061,784.40/x
  3. Step 3: Cross multiply
    392,432,116.78x = 588,734,367.60 × 116,061,784.40
  4. Step 4: Simplify right side
    392,432,116.78x = 68,329,561,241,261,552
  5. Step 5: Solve for x
    x = 68,329,561,241,261,552/392,432,116.78
  6. Step 6: Final answer
    x = 174,118,168.01

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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.