Home / 475,067,971.40-712,600,531.46-120,541,567.48

Finding the Fourth Proportional to 475,067,971.40, 712,600,531.46 and 120,541,567.48

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Solution

The fourth proportional to 475,067,971.40, 712,600,531.46 and 120,541,567.48 is: 180,811,989.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,067,971.40 : 712,600,531.46 = 120,541,567.48 : x
  2. Step 2: Convert to fraction form
    475,067,971.40/712,600,531.46 = 120,541,567.48/x
  3. Step 3: Cross multiply
    475,067,971.40x = 712,600,531.46 × 120,541,567.48
  4. Step 4: Simplify right side
    475,067,971.40x = 85,897,985,049,269,456
  5. Step 5: Solve for x
    x = 85,897,985,049,269,456/475,067,971.40
  6. Step 6: Final answer
    x = 180,811,989.48

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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.