Home / 408,680,447.41-612,998,693.79-201,212,032.15

Finding the Fourth Proportional to 408,680,447.41, 612,998,693.79 and 201,212,032.15

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Solution

The fourth proportional to 408,680,447.41, 612,998,693.79 and 201,212,032.15 is: 301,807,227.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,680,447.41 : 612,998,693.79 = 201,212,032.15 : x
  2. Step 2: Convert to fraction form
    408,680,447.41/612,998,693.79 = 201,212,032.15/x
  3. Step 3: Cross multiply
    408,680,447.41x = 612,998,693.79 × 201,212,032.15
  4. Step 4: Simplify right side
    408,680,447.41x = 123,342,712,882,781,488
  5. Step 5: Solve for x
    x = 123,342,712,882,781,488/408,680,447.41
  6. Step 6: Final answer
    x = 301,807,227.79

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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.