Home / 20,318,344,262.22-28,032,989,248.72-11,741,646,316.78

Finding the Fourth Proportional to 20,318,344,262.22, 28,032,989,248.72 and 11,741,646,316.78

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Solution

The fourth proportional to 20,318,344,262.22, 28,032,989,248.72 and 11,741,646,316.78 is: 16,199,816,319.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,318,344,262.22 : 28,032,989,248.72 = 11,741,646,316.78 : x
  2. Step 2: Convert to fraction form
    20,318,344,262.22/28,032,989,248.72 = 11,741,646,316.78/x
  3. Step 3: Cross multiply
    20,318,344,262.22x = 28,032,989,248.72 × 11,741,646,316.78
  4. Step 4: Simplify right side
    20,318,344,262.22x = 329,153,444,960,510,476,288
  5. Step 5: Solve for x
    x = 329,153,444,960,510,476,288/20,318,344,262.22
  6. Step 6: Final answer
    x = 16,199,816,319.31

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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.