Home / 2,976,930,535.19-4,465,519,036.83-878,406,901.43

Finding the Fourth Proportional to 2,976,930,535.19, 4,465,519,036.83 and 878,406,901.43

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Solution

The fourth proportional to 2,976,930,535.19, 4,465,519,036.83 and 878,406,901.43 is: 1,317,646,714.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976,930,535.19 : 4,465,519,036.83 = 878,406,901.43 : x
  2. Step 2: Convert to fraction form
    2,976,930,535.19/4,465,519,036.83 = 878,406,901.43/x
  3. Step 3: Cross multiply
    2,976,930,535.19x = 4,465,519,036.83 × 878,406,901.43
  4. Step 4: Simplify right side
    2,976,930,535.19x = 3,922,542,740,396,190,720
  5. Step 5: Solve for x
    x = 3,922,542,740,396,190,720/2,976,930,535.19
  6. Step 6: Final answer
    x = 1,317,646,714.98

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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.