Home / 725,112,276.20-1,087,668,414.30-179,853,810.20

Finding the Fourth Proportional to 725,112,276.20, 1,087,668,414.30 and 179,853,810.20

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Solution

The fourth proportional to 725,112,276.20, 1,087,668,414.30 and 179,853,810.20 is: 269,780,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,112,276.20 : 1,087,668,414.30 = 179,853,810.20 : x
  2. Step 2: Convert to fraction form
    725,112,276.20/1,087,668,414.30 = 179,853,810.20/x
  3. Step 3: Cross multiply
    725,112,276.20x = 1,087,668,414.30 × 179,853,810.20
  4. Step 4: Simplify right side
    725,112,276.20x = 195,621,308,546,047,136
  5. Step 5: Solve for x
    x = 195,621,308,546,047,136/725,112,276.20
  6. Step 6: Final answer
    x = 269,780,715.30

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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.