Home / 1,709,278,511.70-2,563,917,767.55-1,691,138,658.90

Finding the Fourth Proportional to 1,709,278,511.70, 2,563,917,767.55 and 1,691,138,658.90

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Solution

The fourth proportional to 1,709,278,511.70, 2,563,917,767.55 and 1,691,138,658.90 is: 2,536,707,988.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709,278,511.70 : 2,563,917,767.55 = 1,691,138,658.90 : x
  2. Step 2: Convert to fraction form
    1,709,278,511.70/2,563,917,767.55 = 1,691,138,658.90/x
  3. Step 3: Cross multiply
    1,709,278,511.70x = 2,563,917,767.55 × 1,691,138,658.90
  4. Step 4: Simplify right side
    1,709,278,511.70x = 4,335,940,454,944,389,632
  5. Step 5: Solve for x
    x = 4,335,940,454,944,389,632/1,709,278,511.70
  6. Step 6: Final answer
    x = 2,536,707,988.35

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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.