Home / 318,260,492,443.28-439,197,245,313.24-173,744,622,131.60

Finding the Fourth Proportional to 318,260,492,443.28, 439,197,245,313.24 and 173,744,622,131.60

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Solution

The fourth proportional to 318,260,492,443.28, 439,197,245,313.24 and 173,744,622,131.60 is: 239,766,358,816.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,260,492,443.28 : 439,197,245,313.24 = 173,744,622,131.60 : x
  2. Step 2: Convert to fraction form
    318,260,492,443.28/439,197,245,313.24 = 173,744,622,131.60/x
  3. Step 3: Cross multiply
    318,260,492,443.28x = 439,197,245,313.24 × 173,744,622,131.60
  4. Step 4: Simplify right side
    318,260,492,443.28x = 76,308,159,428,188,507,734,016
  5. Step 5: Solve for x
    x = 76,308,159,428,188,507,734,016/318,260,492,443.28
  6. Step 6: Final answer
    x = 239,766,358,816.24

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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.