Home / 1,491,995,785.10-2,235,604,890.45-945,759,778.70

Finding the Fourth Proportional to 1,491,995,785.10, 2,235,604,890.45 and 945,759,778.70

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Solution

The fourth proportional to 1,491,995,785.10, 2,235,604,890.45 and 945,759,778.70 is: 1,417,125,442.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,995,785.10 : 2,235,604,890.45 = 945,759,778.70 : x
  2. Step 2: Convert to fraction form
    1,491,995,785.10/2,235,604,890.45 = 945,759,778.70/x
  3. Step 3: Cross multiply
    1,491,995,785.10x = 2,235,604,890.45 × 945,759,778.70
  4. Step 4: Simplify right side
    1,491,995,785.10x = 2,114,345,186,452,629,760
  5. Step 5: Solve for x
    x = 2,114,345,186,452,629,760/1,491,995,785.10
  6. Step 6: Final answer
    x = 1,417,125,442.02

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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.