Home / 57,017,126,148.12-78,683,712,002.15-30,945,491,873.73

Finding the Fourth Proportional to 57,017,126,148.12, 78,683,712,002.15 and 30,945,491,873.73

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Solution

The fourth proportional to 57,017,126,148.12, 78,683,712,002.15 and 30,945,491,873.73 is: 42,704,821,074.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,017,126,148.12 : 78,683,712,002.15 = 30,945,491,873.73 : x
  2. Step 2: Convert to fraction form
    57,017,126,148.12/78,683,712,002.15 = 30,945,491,873.73/x
  3. Step 3: Cross multiply
    57,017,126,148.12x = 78,683,712,002.15 × 30,945,491,873.73
  4. Step 4: Simplify right side
    57,017,126,148.12x = 2,434,906,170,357,289,844,736
  5. Step 5: Solve for x
    x = 2,434,906,170,357,289,844,736/57,017,126,148.12
  6. Step 6: Final answer
    x = 42,704,821,074.84

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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.