Home / 386,693,800.82-580,035,021.90-95,560,915.76

Finding the Fourth Proportional to 386,693,800.82, 580,035,021.90 and 95,560,915.76

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Solution

The fourth proportional to 386,693,800.82, 580,035,021.90 and 95,560,915.76 is: 143,339,970.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,693,800.82 : 580,035,021.90 = 95,560,915.76 : x
  2. Step 2: Convert to fraction form
    386,693,800.82/580,035,021.90 = 95,560,915.76/x
  3. Step 3: Cross multiply
    386,693,800.82x = 580,035,021.90 × 95,560,915.76
  4. Step 4: Simplify right side
    386,693,800.82x = 55,428,677,865,635,656
  5. Step 5: Solve for x
    x = 55,428,677,865,635,656/386,693,800.82
  6. Step 6: Final answer
    x = 143,339,970.15

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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.