Home / 3,121,301,578.36-4,681,716,918.72-994,061,304.76

Finding the Fourth Proportional to 3,121,301,578.36, 4,681,716,918.72 and 994,061,304.76

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Solution

The fourth proportional to 3,121,301,578.36, 4,681,716,918.72 and 994,061,304.76 is: 1,491,016,972.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,301,578.36 : 4,681,716,918.72 = 994,061,304.76 : x
  2. Step 2: Convert to fraction form
    3,121,301,578.36/4,681,716,918.72 = 994,061,304.76/x
  3. Step 3: Cross multiply
    3,121,301,578.36x = 4,681,716,918.72 × 994,061,304.76
  4. Step 4: Simplify right side
    3,121,301,578.36x = 4,653,913,628,739,770,368
  5. Step 5: Solve for x
    x = 4,653,913,628,739,770,368/3,121,301,578.36
  6. Step 6: Final answer
    x = 1,491,016,972.22

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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.