Home / 1,072,351,497-1,479,965,175.94-649,198,396.20

Finding the Fourth Proportional to 1,072,351,497, 1,479,965,175.94 and 649,198,396.20

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Solution

The fourth proportional to 1,072,351,497, 1,479,965,175.94 and 649,198,396.20 is: 895,966,501.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,351,497 : 1,479,965,175.94 = 649,198,396.20 : x
  2. Step 2: Convert to fraction form
    1,072,351,497/1,479,965,175.94 = 649,198,396.20/x
  3. Step 3: Cross multiply
    1,072,351,497x = 1,479,965,175.94 × 649,198,396.20
  4. Step 4: Simplify right side
    1,072,351,497x = 960,791,018,652,098,944
  5. Step 5: Solve for x
    x = 960,791,018,652,098,944/1,072,351,497
  6. Step 6: Final answer
    x = 895,966,501.04

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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.