Home / 47,930,147,017.40-71,895,220,526.10-20,001,434,432.60

Finding the Fourth Proportional to 47,930,147,017.40, 71,895,220,526.10 and 20,001,434,432.60

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Solution

The fourth proportional to 47,930,147,017.40, 71,895,220,526.10 and 20,001,434,432.60 is: 30,002,151,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,930,147,017.40 : 71,895,220,526.10 = 20,001,434,432.60 : x
  2. Step 2: Convert to fraction form
    47,930,147,017.40/71,895,220,526.10 = 20,001,434,432.60/x
  3. Step 3: Cross multiply
    47,930,147,017.40x = 71,895,220,526.10 × 20,001,434,432.60
  4. Step 4: Simplify right side
    47,930,147,017.40x = 1,438,007,539,370,106,814,464
  5. Step 5: Solve for x
    x = 1,438,007,539,370,106,814,464/47,930,147,017.40
  6. Step 6: Final answer
    x = 30,002,151,648.90

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Double scale
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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.