Home / 6,959,013,350.40-10,438,520,025.60-3,863,145,139.20

Finding the Fourth Proportional to 6,959,013,350.40, 10,438,520,025.60 and 3,863,145,139.20

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Solution

The fourth proportional to 6,959,013,350.40, 10,438,520,025.60 and 3,863,145,139.20 is: 5,794,717,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,959,013,350.40 : 10,438,520,025.60 = 3,863,145,139.20 : x
  2. Step 2: Convert to fraction form
    6,959,013,350.40/10,438,520,025.60 = 3,863,145,139.20/x
  3. Step 3: Cross multiply
    6,959,013,350.40x = 10,438,520,025.60 × 3,863,145,139.20
  4. Step 4: Simplify right side
    6,959,013,350.40x = 40,325,517,897,338,494,976
  5. Step 5: Solve for x
    x = 40,325,517,897,338,494,976/6,959,013,350.40
  6. Step 6: Final answer
    x = 5,794,717,708.80

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Double scale
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Similar ratio
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1.5x scale

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.