Home / 12,177,361,330.20-18,266,041,995.30-9,274,984,882.20

Finding the Fourth Proportional to 12,177,361,330.20, 18,266,041,995.30 and 9,274,984,882.20

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Solution

The fourth proportional to 12,177,361,330.20, 18,266,041,995.30 and 9,274,984,882.20 is: 13,912,477,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177,361,330.20 : 18,266,041,995.30 = 9,274,984,882.20 : x
  2. Step 2: Convert to fraction form
    12,177,361,330.20/18,266,041,995.30 = 9,274,984,882.20/x
  3. Step 3: Cross multiply
    12,177,361,330.20x = 18,266,041,995.30 × 9,274,984,882.20
  4. Step 4: Simplify right side
    12,177,361,330.20x = 169,417,263,364,037,836,800
  5. Step 5: Solve for x
    x = 169,417,263,364,037,836,800/12,177,361,330.20
  6. Step 6: Final answer
    x = 13,912,477,323.30

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Double scale
Find fourth proportional to 12,177,361,331.20, 18,266,041,996.80 and 9,274,984,883.20
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.