Home / 1,008,910,067.40-1,513,365,101.10-944,339,985.90

Finding the Fourth Proportional to 1,008,910,067.40, 1,513,365,101.10 and 944,339,985.90

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Solution

The fourth proportional to 1,008,910,067.40, 1,513,365,101.10 and 944,339,985.90 is: 1,416,509,978.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,910,067.40 : 1,513,365,101.10 = 944,339,985.90 : x
  2. Step 2: Convert to fraction form
    1,008,910,067.40/1,513,365,101.10 = 944,339,985.90/x
  3. Step 3: Cross multiply
    1,008,910,067.40x = 1,513,365,101.10 × 944,339,985.90
  4. Step 4: Simplify right side
    1,008,910,067.40x = 1,429,131,178,234,326,016
  5. Step 5: Solve for x
    x = 1,429,131,178,234,326,016/1,008,910,067.40
  6. Step 6: Final answer
    x = 1,416,509,978.85

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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.