Home / 15,856,662,743.80-21,882,769,926.56-9,083,790,310.57

Finding the Fourth Proportional to 15,856,662,743.80, 21,882,769,926.56 and 9,083,790,310.57

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Solution

The fourth proportional to 15,856,662,743.80, 21,882,769,926.56 and 9,083,790,310.57 is: 12,535,960,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,856,662,743.80 : 21,882,769,926.56 = 9,083,790,310.57 : x
  2. Step 2: Convert to fraction form
    15,856,662,743.80/21,882,769,926.56 = 9,083,790,310.57/x
  3. Step 3: Cross multiply
    15,856,662,743.80x = 21,882,769,926.56 × 9,083,790,310.57
  4. Step 4: Simplify right side
    15,856,662,743.80x = 198,778,493,427,318,325,248
  5. Step 5: Solve for x
    x = 198,778,493,427,318,325,248/15,856,662,743.80
  6. Step 6: Final answer
    x = 12,535,960,223.10

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1.5x scale

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.