Home / 887,040,877.60-1,330,561,316.40-369,299,245.60

Finding the Fourth Proportional to 887,040,877.60, 1,330,561,316.40 and 369,299,245.60

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Solution

The fourth proportional to 887,040,877.60, 1,330,561,316.40 and 369,299,245.60 is: 553,948,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,040,877.60 : 1,330,561,316.40 = 369,299,245.60 : x
  2. Step 2: Convert to fraction form
    887,040,877.60/1,330,561,316.40 = 369,299,245.60/x
  3. Step 3: Cross multiply
    887,040,877.60x = 1,330,561,316.40 × 369,299,245.60
  4. Step 4: Simplify right side
    887,040,877.60x = 491,375,290,371,062,976
  5. Step 5: Solve for x
    x = 491,375,290,371,062,976/887,040,877.60
  6. Step 6: Final answer
    x = 553,948,868.40

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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.