Home / 887,040,809.60-1,330,561,214.40-369,299,177.60

Finding the Fourth Proportional to 887,040,809.60, 1,330,561,214.40 and 369,299,177.60

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Solution

The fourth proportional to 887,040,809.60, 1,330,561,214.40 and 369,299,177.60 is: 553,948,766.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,040,809.60 : 1,330,561,214.40 = 369,299,177.60 : x
  2. Step 2: Convert to fraction form
    887,040,809.60/1,330,561,214.40 = 369,299,177.60/x
  3. Step 3: Cross multiply
    887,040,809.60x = 1,330,561,214.40 × 369,299,177.60
  4. Step 4: Simplify right side
    887,040,809.60x = 491,375,162,224,377,344
  5. Step 5: Solve for x
    x = 491,375,162,224,377,344/887,040,809.60
  6. Step 6: Final answer
    x = 553,948,766.40

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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.