Home / 1,067,441,397.12-1,472,309,740.80-979,618,993.92

Finding the Fourth Proportional to 1,067,441,397.12, 1,472,309,740.80 and 979,618,993.92

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Solution

The fourth proportional to 1,067,441,397.12, 1,472,309,740.80 and 979,618,993.92 is: 1,351,177,302.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,441,397.12 : 1,472,309,740.80 = 979,618,993.92 : x
  2. Step 2: Convert to fraction form
    1,067,441,397.12/1,472,309,740.80 = 979,618,993.92/x
  3. Step 3: Cross multiply
    1,067,441,397.12x = 1,472,309,740.80 × 979,618,993.92
  4. Step 4: Simplify right side
    1,067,441,397.12x = 1,442,302,587,021,111,808
  5. Step 5: Solve for x
    x = 1,442,302,587,021,111,808/1,067,441,397.12
  6. Step 6: Final answer
    x = 1,351,177,302.02

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.