Home / 27,161,147,379.76-37,482,385,186.53-15,117,899,733.45

Finding the Fourth Proportional to 27,161,147,379.76, 37,482,385,186.53 and 15,117,899,733.45

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Solution

The fourth proportional to 27,161,147,379.76, 37,482,385,186.53 and 15,117,899,733.45 is: 20,862,702,635.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,161,147,379.76 : 37,482,385,186.53 = 15,117,899,733.45 : x
  2. Step 2: Convert to fraction form
    27,161,147,379.76/37,482,385,186.53 = 15,117,899,733.45/x
  3. Step 3: Cross multiply
    27,161,147,379.76x = 37,482,385,186.53 × 15,117,899,733.45
  4. Step 4: Simplify right side
    27,161,147,379.76x = 566,654,941,020,512,124,928
  5. Step 5: Solve for x
    x = 566,654,941,020,512,124,928/27,161,147,379.76
  6. Step 6: Final answer
    x = 20,862,702,635.41

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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.