Home / 977,591,244.40-1,465,253,125.80-394,942,951.60

Finding the Fourth Proportional to 977,591,244.40, 1,465,253,125.80 and 394,942,951.60

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Solution

The fourth proportional to 977,591,244.40, 1,465,253,125.80 and 394,942,951.60 is: 591,956,400.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,591,244.40 : 1,465,253,125.80 = 394,942,951.60 : x
  2. Step 2: Convert to fraction form
    977,591,244.40/1,465,253,125.80 = 394,942,951.60/x
  3. Step 3: Cross multiply
    977,591,244.40x = 1,465,253,125.80 × 394,942,951.60
  4. Step 4: Simplify right side
    977,591,244.40x = 578,691,394,344,578,176
  5. Step 5: Solve for x
    x = 578,691,394,344,578,176/977,591,244.40
  6. Step 6: Final answer
    x = 591,956,400.65

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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.