Home / 852,097,205.10-1,278,145,807.65-679,910,321.10

Finding the Fourth Proportional to 852,097,205.10, 1,278,145,807.65 and 679,910,321.10

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Solution

The fourth proportional to 852,097,205.10, 1,278,145,807.65 and 679,910,321.10 is: 1,019,865,481.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,097,205.10 : 1,278,145,807.65 = 679,910,321.10 : x
  2. Step 2: Convert to fraction form
    852,097,205.10/1,278,145,807.65 = 679,910,321.10/x
  3. Step 3: Cross multiply
    852,097,205.10x = 1,278,145,807.65 × 679,910,321.10
  4. Step 4: Simplify right side
    852,097,205.10x = 869,024,526,491,930,368
  5. Step 5: Solve for x
    x = 869,024,526,491,930,368/852,097,205.10
  6. Step 6: Final answer
    x = 1,019,865,481.65

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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.