Home / 57,017,126,144.63-78,683,711,997.31-30,945,491,870.22

Finding the Fourth Proportional to 57,017,126,144.63, 78,683,711,997.31 and 30,945,491,870.22

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Solution

The fourth proportional to 57,017,126,144.63, 78,683,711,997.31 and 30,945,491,870.22 is: 42,704,821,069.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,017,126,144.63 : 78,683,711,997.31 = 30,945,491,870.22 : x
  2. Step 2: Convert to fraction form
    57,017,126,144.63/78,683,711,997.31 = 30,945,491,870.22/x
  3. Step 3: Cross multiply
    57,017,126,144.63x = 78,683,711,997.31 × 30,945,491,870.22
  4. Step 4: Simplify right side
    57,017,126,144.63x = 2,434,906,169,931,333,632,000
  5. Step 5: Solve for x
    x = 2,434,906,169,931,333,632,000/57,017,126,144.63
  6. Step 6: Final answer
    x = 42,704,821,069.99

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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.