Home / 893,412,187.40-1,337,472,885.90-664,396,545.80

Finding the Fourth Proportional to 893,412,187.40, 1,337,472,885.90 and 664,396,545.80

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Solution

The fourth proportional to 893,412,187.40, 1,337,472,885.90 and 664,396,545.80 is: 994,627,539.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,412,187.40 : 1,337,472,885.90 = 664,396,545.80 : x
  2. Step 2: Convert to fraction form
    893,412,187.40/1,337,472,885.90 = 664,396,545.80/x
  3. Step 3: Cross multiply
    893,412,187.40x = 1,337,472,885.90 × 664,396,545.80
  4. Step 4: Simplify right side
    893,412,187.40x = 888,612,365,493,117,568
  5. Step 5: Solve for x
    x = 888,612,365,493,117,568/893,412,187.40
  6. Step 6: Final answer
    x = 994,627,539.25

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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.