Home / 20,811,970,260.62-28,719,775,854.88-11,779,534,437.54

Finding the Fourth Proportional to 20,811,970,260.62, 28,719,775,854.88 and 11,779,534,437.54

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Solution

The fourth proportional to 20,811,970,260.62, 28,719,775,854.88 and 11,779,534,437.54 is: 16,255,336,927.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,811,970,260.62 : 28,719,775,854.88 = 11,779,534,437.54 : x
  2. Step 2: Convert to fraction form
    20,811,970,260.62/28,719,775,854.88 = 11,779,534,437.54/x
  3. Step 3: Cross multiply
    20,811,970,260.62x = 28,719,775,854.88 × 11,779,534,437.54
  4. Step 4: Simplify right side
    20,811,970,260.62x = 338,305,588,720,988,782,592
  5. Step 5: Solve for x
    x = 338,305,588,720,988,782,592/20,811,970,260.62
  6. Step 6: Final answer
    x = 16,255,336,927.96

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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.