Home / 1,067,752,859.10-1,601,629,288.65-838,429,287.90

Finding the Fourth Proportional to 1,067,752,859.10, 1,601,629,288.65 and 838,429,287.90

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Solution

The fourth proportional to 1,067,752,859.10, 1,601,629,288.65 and 838,429,287.90 is: 1,257,643,931.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,752,859.10 : 1,601,629,288.65 = 838,429,287.90 : x
  2. Step 2: Convert to fraction form
    1,067,752,859.10/1,601,629,288.65 = 838,429,287.90/x
  3. Step 3: Cross multiply
    1,067,752,859.10x = 1,601,629,288.65 × 838,429,287.90
  4. Step 4: Simplify right side
    1,067,752,859.10x = 1,342,852,903,962,603,008
  5. Step 5: Solve for x
    x = 1,342,852,903,962,603,008/1,067,752,859.10
  6. Step 6: Final answer
    x = 1,257,643,931.85

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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.