Home / 12,132,178,693.20-18,198,268,039.80-10,777,736,350.80

Finding the Fourth Proportional to 12,132,178,693.20, 18,198,268,039.80 and 10,777,736,350.80

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Solution

The fourth proportional to 12,132,178,693.20, 18,198,268,039.80 and 10,777,736,350.80 is: 16,166,604,526.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132,178,693.20 : 18,198,268,039.80 = 10,777,736,350.80 : x
  2. Step 2: Convert to fraction form
    12,132,178,693.20/18,198,268,039.80 = 10,777,736,350.80/x
  3. Step 3: Cross multiply
    12,132,178,693.20x = 18,198,268,039.80 × 10,777,736,350.80
  4. Step 4: Simplify right side
    12,132,178,693.20x = 196,136,134,974,154,309,632
  5. Step 5: Solve for x
    x = 196,136,134,974,154,309,632/12,132,178,693.20
  6. Step 6: Final answer
    x = 16,166,604,526.20

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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.