Home / 988,172,227.72-1,482,197,695.46-405,891,367.53

Finding the Fourth Proportional to 988,172,227.72, 1,482,197,695.46 and 405,891,367.53

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Solution

The fourth proportional to 988,172,227.72, 1,482,197,695.46 and 405,891,367.53 is: 608,812,140.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,172,227.72 : 1,482,197,695.46 = 405,891,367.53 : x
  2. Step 2: Convert to fraction form
    988,172,227.72/1,482,197,695.46 = 405,891,367.53/x
  3. Step 3: Cross multiply
    988,172,227.72x = 1,482,197,695.46 × 405,891,367.53
  4. Step 4: Simplify right side
    988,172,227.72x = 601,611,249,560,073,856
  5. Step 5: Solve for x
    x = 601,611,249,560,073,856/988,172,227.72
  6. Step 6: Final answer
    x = 608,812,140.92

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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.