Home / 347,760,463.20-521,640,694.80-186,517,327.20

Finding the Fourth Proportional to 347,760,463.20, 521,640,694.80 and 186,517,327.20

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Solution

The fourth proportional to 347,760,463.20, 521,640,694.80 and 186,517,327.20 is: 279,775,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,760,463.20 : 521,640,694.80 = 186,517,327.20 : x
  2. Step 2: Convert to fraction form
    347,760,463.20/521,640,694.80 = 186,517,327.20/x
  3. Step 3: Cross multiply
    347,760,463.20x = 521,640,694.80 × 186,517,327.20
  4. Step 4: Simplify right side
    347,760,463.20x = 97,295,028,152,846,928
  5. Step 5: Solve for x
    x = 97,295,028,152,846,928/347,760,463.20
  6. Step 6: Final answer
    x = 279,775,990.80

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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.