Home / 444,538,245.60-666,807,368.40-137,861,359.20

Finding the Fourth Proportional to 444,538,245.60, 666,807,368.40 and 137,861,359.20

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Solution

The fourth proportional to 444,538,245.60, 666,807,368.40 and 137,861,359.20 is: 206,792,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,538,245.60 : 666,807,368.40 = 137,861,359.20 : x
  2. Step 2: Convert to fraction form
    444,538,245.60/666,807,368.40 = 137,861,359.20/x
  3. Step 3: Cross multiply
    444,538,245.60x = 666,807,368.40 × 137,861,359.20
  4. Step 4: Simplify right side
    444,538,245.60x = 91,926,970,132,199,120
  5. Step 5: Solve for x
    x = 91,926,970,132,199,120/444,538,245.60
  6. Step 6: Final answer
    x = 206,792,038.80

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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.