Home / 7,278,336,010.20-10,917,504,015.30-7,169,496,893.40

Finding the Fourth Proportional to 7,278,336,010.20, 10,917,504,015.30 and 7,169,496,893.40

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Solution

The fourth proportional to 7,278,336,010.20, 10,917,504,015.30 and 7,169,496,893.40 is: 10,754,245,340.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278,336,010.20 : 10,917,504,015.30 = 7,169,496,893.40 : x
  2. Step 2: Convert to fraction form
    7,278,336,010.20/10,917,504,015.30 = 7,169,496,893.40/x
  3. Step 3: Cross multiply
    7,278,336,010.20x = 10,917,504,015.30 × 7,169,496,893.40
  4. Step 4: Simplify right side
    7,278,336,010.20x = 78,273,011,121,375,363,072
  5. Step 5: Solve for x
    x = 78,273,011,121,375,363,072/7,278,336,010.20
  6. Step 6: Final answer
    x = 10,754,245,340.10

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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.