Home / 327,111,326.60-490,666,989.90-235,278,321.80

Finding the Fourth Proportional to 327,111,326.60, 490,666,989.90 and 235,278,321.80

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Solution

The fourth proportional to 327,111,326.60, 490,666,989.90 and 235,278,321.80 is: 352,917,482.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,111,326.60 : 490,666,989.90 = 235,278,321.80 : x
  2. Step 2: Convert to fraction form
    327,111,326.60/490,666,989.90 = 235,278,321.80/x
  3. Step 3: Cross multiply
    327,111,326.60x = 490,666,989.90 × 235,278,321.80
  4. Step 4: Simplify right side
    327,111,326.60x = 115,443,305,946,329,552
  5. Step 5: Solve for x
    x = 115,443,305,946,329,552/327,111,326.60
  6. Step 6: Final answer
    x = 352,917,482.70

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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.