Home / 27,161,147,389.42-37,482,385,199.85-15,117,899,743.09

Finding the Fourth Proportional to 27,161,147,389.42, 37,482,385,199.85 and 15,117,899,743.09

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Solution

The fourth proportional to 27,161,147,389.42, 37,482,385,199.85 and 15,117,899,743.09 is: 20,862,702,648.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,161,147,389.42 : 37,482,385,199.85 = 15,117,899,743.09 : x
  2. Step 2: Convert to fraction form
    27,161,147,389.42/37,482,385,199.85 = 15,117,899,743.09/x
  3. Step 3: Cross multiply
    27,161,147,389.42x = 37,482,385,199.85 × 15,117,899,743.09
  4. Step 4: Simplify right side
    27,161,147,389.42x = 566,654,941,583,212,740,608
  5. Step 5: Solve for x
    x = 566,654,941,583,212,740,608/27,161,147,389.42
  6. Step 6: Final answer
    x = 20,862,702,648.71

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Double scale
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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.