Home / 599,103,770.20-898,655,655.30-392,479,509.40

Finding the Fourth Proportional to 599,103,770.20, 898,655,655.30 and 392,479,509.40

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Solution

The fourth proportional to 599,103,770.20, 898,655,655.30 and 392,479,509.40 is: 588,719,264.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,103,770.20 : 898,655,655.30 = 392,479,509.40 : x
  2. Step 2: Convert to fraction form
    599,103,770.20/898,655,655.30 = 392,479,509.40/x
  3. Step 3: Cross multiply
    599,103,770.20x = 898,655,655.30 × 392,479,509.40
  4. Step 4: Simplify right side
    599,103,770.20x = 352,703,930,711,679,488
  5. Step 5: Solve for x
    x = 352,703,930,711,679,488/599,103,770.20
  6. Step 6: Final answer
    x = 588,719,264.10

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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.