Home / 15,856,662,740.18-21,882,769,921.55-9,083,790,306.95

Finding the Fourth Proportional to 15,856,662,740.18, 21,882,769,921.55 and 9,083,790,306.95

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Solution

The fourth proportional to 15,856,662,740.18, 21,882,769,921.55 and 9,083,790,306.95 is: 12,535,960,218.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,856,662,740.18 : 21,882,769,921.55 = 9,083,790,306.95 : x
  2. Step 2: Convert to fraction form
    15,856,662,740.18/21,882,769,921.55 = 9,083,790,306.95/x
  3. Step 3: Cross multiply
    15,856,662,740.18x = 21,882,769,921.55 × 9,083,790,306.95
  4. Step 4: Simplify right side
    15,856,662,740.18x = 198,778,493,302,501,638,144
  5. Step 5: Solve for x
    x = 198,778,493,302,501,638,144/15,856,662,740.18
  6. Step 6: Final answer
    x = 12,535,960,218.09

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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.