Home / 20,536,976,230.40-28,341,005,703.48-11,504,797,915.16

Finding the Fourth Proportional to 20,536,976,230.40, 28,341,005,703.48 and 11,504,797,915.16

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Solution

The fourth proportional to 20,536,976,230.40, 28,341,005,703.48 and 11,504,797,915.16 is: 15,876,609,081.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,536,976,230.40 : 28,341,005,703.48 = 11,504,797,915.16 : x
  2. Step 2: Convert to fraction form
    20,536,976,230.40/28,341,005,703.48 = 11,504,797,915.16/x
  3. Step 3: Cross multiply
    20,536,976,230.40x = 28,341,005,703.48 × 11,504,797,915.16
  4. Step 4: Simplify right side
    20,536,976,230.40x = 326,057,543,330,991,046,656
  5. Step 5: Solve for x
    x = 326,057,543,330,991,046,656/20,536,976,230.40
  6. Step 6: Final answer
    x = 15,876,609,081.74

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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.