Home / 5,380,897,431.80-8,071,346,147.70-2,472,852,279.80

Finding the Fourth Proportional to 5,380,897,431.80, 8,071,346,147.70 and 2,472,852,279.80

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Solution

The fourth proportional to 5,380,897,431.80, 8,071,346,147.70 and 2,472,852,279.80 is: 3,709,278,419.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380,897,431.80 : 8,071,346,147.70 = 2,472,852,279.80 : x
  2. Step 2: Convert to fraction form
    5,380,897,431.80/8,071,346,147.70 = 2,472,852,279.80/x
  3. Step 3: Cross multiply
    5,380,897,431.80x = 8,071,346,147.70 × 2,472,852,279.80
  4. Step 4: Simplify right side
    5,380,897,431.80x = 19,959,246,722,394,894,336
  5. Step 5: Solve for x
    x = 19,959,246,722,394,894,336/5,380,897,431.80
  6. Step 6: Final answer
    x = 3,709,278,419.70

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Double scale
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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.