Home / 1,012,729,926.80-1,519,367,585.82-521,175,345.32

Finding the Fourth Proportional to 1,012,729,926.80, 1,519,367,585.82 and 521,175,345.32

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Solution

The fourth proportional to 1,012,729,926.80, 1,519,367,585.82 and 521,175,345.32 is: 781,903,353.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,729,926.80 : 1,519,367,585.82 = 521,175,345.32 : x
  2. Step 2: Convert to fraction form
    1,012,729,926.80/1,519,367,585.82 = 521,175,345.32/x
  3. Step 3: Cross multiply
    1,012,729,926.80x = 1,519,367,585.82 × 521,175,345.32
  4. Step 4: Simplify right side
    1,012,729,926.80x = 791,856,926,207,753,216
  5. Step 5: Solve for x
    x = 791,856,926,207,753,216/1,012,729,926.80
  6. Step 6: Final answer
    x = 781,903,353.75

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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.