Home / 1,498,722,935.28-2,068,262,029.28-820,528,488.88

Finding the Fourth Proportional to 1,498,722,935.28, 2,068,262,029.28 and 820,528,488.88

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Solution

The fourth proportional to 1,498,722,935.28, 2,068,262,029.28 and 820,528,488.88 is: 1,132,342,661.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,722,935.28 : 2,068,262,029.28 = 820,528,488.88 : x
  2. Step 2: Convert to fraction form
    1,498,722,935.28/2,068,262,029.28 = 820,528,488.88/x
  3. Step 3: Cross multiply
    1,498,722,935.28x = 2,068,262,029.28 × 820,528,488.88
  4. Step 4: Simplify right side
    1,498,722,935.28x = 1,697,067,917,493,000,704
  5. Step 5: Solve for x
    x = 1,697,067,917,493,000,704/1,498,722,935.28
  6. Step 6: Final answer
    x = 1,132,342,661.57

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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.