Home / 1,008,665,542.61-1,391,993,061.79-585,247,230.44

Finding the Fourth Proportional to 1,008,665,542.61, 1,391,993,061.79 and 585,247,230.44

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Solution

The fourth proportional to 1,008,665,542.61, 1,391,993,061.79 and 585,247,230.44 is: 807,661,261.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,665,542.61 : 1,391,993,061.79 = 585,247,230.44 : x
  2. Step 2: Convert to fraction form
    1,008,665,542.61/1,391,993,061.79 = 585,247,230.44/x
  3. Step 3: Cross multiply
    1,008,665,542.61x = 1,391,993,061.79 × 585,247,230.44
  4. Step 4: Simplify right side
    1,008,665,542.61x = 814,660,084,204,293,376
  5. Step 5: Solve for x
    x = 814,660,084,204,293,376/1,008,665,542.61
  6. Step 6: Final answer
    x = 807,661,261.13

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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.