Home / 599,103,669.70-898,655,504.55-392,479,408.90

Finding the Fourth Proportional to 599,103,669.70, 898,655,504.55 and 392,479,408.90

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Solution

The fourth proportional to 599,103,669.70, 898,655,504.55 and 392,479,408.90 is: 588,719,113.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,103,669.70 : 898,655,504.55 = 392,479,408.90 : x
  2. Step 2: Convert to fraction form
    599,103,669.70/898,655,504.55 = 392,479,408.90/x
  3. Step 3: Cross multiply
    599,103,669.70x = 898,655,504.55 × 392,479,408.90
  4. Step 4: Simplify right side
    599,103,669.70x = 352,703,781,230,515,200
  5. Step 5: Solve for x
    x = 352,703,781,230,515,200/599,103,669.70
  6. Step 6: Final answer
    x = 588,719,113.35

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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.