Home / 47,930,147,016.90-71,895,220,525.35-20,001,434,432.10

Finding the Fourth Proportional to 47,930,147,016.90, 71,895,220,525.35 and 20,001,434,432.10

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Solution

The fourth proportional to 47,930,147,016.90, 71,895,220,525.35 and 20,001,434,432.10 is: 30,002,151,648.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,930,147,016.90 : 71,895,220,525.35 = 20,001,434,432.10 : x
  2. Step 2: Convert to fraction form
    47,930,147,016.90/71,895,220,525.35 = 20,001,434,432.10/x
  3. Step 3: Cross multiply
    47,930,147,016.90x = 71,895,220,525.35 × 20,001,434,432.10
  4. Step 4: Simplify right side
    47,930,147,016.90x = 1,438,007,539,319,158,079,488
  5. Step 5: Solve for x
    x = 1,438,007,539,319,158,079,488/47,930,147,016.90
  6. Step 6: Final answer
    x = 30,002,151,648.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.