Home / 1,008,665,545.75-1,391,993,066.14-585,247,233.58

Finding the Fourth Proportional to 1,008,665,545.75, 1,391,993,066.14 and 585,247,233.58

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Solution

The fourth proportional to 1,008,665,545.75, 1,391,993,066.14 and 585,247,233.58 is: 807,661,265.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,665,545.75 : 1,391,993,066.14 = 585,247,233.58 : x
  2. Step 2: Convert to fraction form
    1,008,665,545.75/1,391,993,066.14 = 585,247,233.58/x
  3. Step 3: Cross multiply
    1,008,665,545.75x = 1,391,993,066.14 × 585,247,233.58
  4. Step 4: Simplify right side
    1,008,665,545.75x = 814,660,091,116,033,920
  5. Step 5: Solve for x
    x = 814,660,091,116,033,920/1,008,665,545.75
  6. Step 6: Final answer
    x = 807,661,265.47

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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.