Home / 502,991,721.21-754,487,404.24-134,517,096.73

Finding the Fourth Proportional to 502,991,721.21, 754,487,404.24 and 134,517,096.73

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Solution

The fourth proportional to 502,991,721.21, 754,487,404.24 and 134,517,096.73 is: 201,775,597.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,991,721.21 : 754,487,404.24 = 134,517,096.73 : x
  2. Step 2: Convert to fraction form
    502,991,721.21/754,487,404.24 = 134,517,096.73/x
  3. Step 3: Cross multiply
    502,991,721.21x = 754,487,404.24 × 134,517,096.73
  4. Step 4: Simplify right side
    502,991,721.21x = 101,491,455,137,718,688
  5. Step 5: Solve for x
    x = 101,491,455,137,718,688/502,991,721.21
  6. Step 6: Final answer
    x = 201,775,597.61

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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.