Home / 589,446,961.17-813,439,335.31-321,528,632.24

Finding the Fourth Proportional to 589,446,961.17, 813,439,335.31 and 321,528,632.24

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Solution

The fourth proportional to 589,446,961.17, 813,439,335.31 and 321,528,632.24 is: 443,710,891.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,446,961.17 : 813,439,335.31 = 321,528,632.24 : x
  2. Step 2: Convert to fraction form
    589,446,961.17/813,439,335.31 = 321,528,632.24/x
  3. Step 3: Cross multiply
    589,446,961.17x = 813,439,335.31 × 321,528,632.24
  4. Step 4: Simplify right side
    589,446,961.17x = 261,544,036,889,175,680
  5. Step 5: Solve for x
    x = 261,544,036,889,175,680/589,446,961.17
  6. Step 6: Final answer
    x = 443,710,891.94

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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.