Home / 681,988,014.86-941,143,647.97-376,461,231.66

Finding the Fourth Proportional to 681,988,014.86, 941,143,647.97 and 376,461,231.66

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Solution

The fourth proportional to 681,988,014.86, 941,143,647.97 and 376,461,231.66 is: 519,516,603.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,988,014.86 : 941,143,647.97 = 376,461,231.66 : x
  2. Step 2: Convert to fraction form
    681,988,014.86/941,143,647.97 = 376,461,231.66/x
  3. Step 3: Cross multiply
    681,988,014.86x = 941,143,647.97 × 376,461,231.66
  4. Step 4: Simplify right side
    681,988,014.86x = 354,304,096,882,122,816
  5. Step 5: Solve for x
    x = 354,304,096,882,122,816/681,988,014.86
  6. Step 6: Final answer
    x = 519,516,603.17

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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.