Home / 9,442,006,911.57-13,031,112,120.65-5,373,897,719.78

Finding the Fourth Proportional to 9,442,006,911.57, 13,031,112,120.65 and 5,373,897,719.78

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Solution

The fourth proportional to 9,442,006,911.57, 13,031,112,120.65 and 5,373,897,719.78 is: 7,416,629,151.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,442,006,911.57 : 13,031,112,120.65 = 5,373,897,719.78 : x
  2. Step 2: Convert to fraction form
    9,442,006,911.57/13,031,112,120.65 = 5,373,897,719.78/x
  3. Step 3: Cross multiply
    9,442,006,911.57x = 13,031,112,120.65 × 5,373,897,719.78
  4. Step 4: Simplify right side
    9,442,006,911.57x = 70,027,863,711,385,763,840
  5. Step 5: Solve for x
    x = 70,027,863,711,385,763,840/9,442,006,911.57
  6. Step 6: Final answer
    x = 7,416,629,151.75

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.