Home / 20,318,344,272.05-28,032,989,262.31-11,741,646,326.63

Finding the Fourth Proportional to 20,318,344,272.05, 28,032,989,262.31 and 11,741,646,326.63

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Solution

The fourth proportional to 20,318,344,272.05, 28,032,989,262.31 and 11,741,646,326.63 is: 16,199,816,332.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,318,344,272.05 : 28,032,989,262.31 = 11,741,646,326.63 : x
  2. Step 2: Convert to fraction form
    20,318,344,272.05/28,032,989,262.31 = 11,741,646,326.63/x
  3. Step 3: Cross multiply
    20,318,344,272.05x = 28,032,989,262.31 × 11,741,646,326.63
  4. Step 4: Simplify right side
    20,318,344,272.05x = 329,153,445,396,213,465,088
  5. Step 5: Solve for x
    x = 329,153,445,396,213,465,088/20,318,344,272.05
  6. Step 6: Final answer
    x = 16,199,816,332.92

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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.