Home / 966,087,616.60-1,449,131,424.90-319,855,360.60

Finding the Fourth Proportional to 966,087,616.60, 1,449,131,424.90 and 319,855,360.60

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Solution

The fourth proportional to 966,087,616.60, 1,449,131,424.90 and 319,855,360.60 is: 479,783,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,087,616.60 : 1,449,131,424.90 = 319,855,360.60 : x
  2. Step 2: Convert to fraction form
    966,087,616.60/1,449,131,424.90 = 319,855,360.60/x
  3. Step 3: Cross multiply
    966,087,616.60x = 1,449,131,424.90 × 319,855,360.60
  4. Step 4: Simplify right side
    966,087,616.60x = 463,512,454,468,181,376
  5. Step 5: Solve for x
    x = 463,512,454,468,181,376/966,087,616.60
  6. Step 6: Final answer
    x = 479,783,040.90

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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.