Home / 725,546,281.80-1,087,622,693.10-240,622,480.20

Finding the Fourth Proportional to 725,546,281.80, 1,087,622,693.10 and 240,622,480.20

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Solution

The fourth proportional to 725,546,281.80, 1,087,622,693.10 and 240,622,480.20 is: 360,702,654.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,546,281.80 : 1,087,622,693.10 = 240,622,480.20 : x
  2. Step 2: Convert to fraction form
    725,546,281.80/1,087,622,693.10 = 240,622,480.20/x
  3. Step 3: Cross multiply
    725,546,281.80x = 1,087,622,693.10 × 240,622,480.20
  4. Step 4: Simplify right side
    725,546,281.80x = 261,706,469,935,525,376
  5. Step 5: Solve for x
    x = 261,706,469,935,525,376/725,546,281.80
  6. Step 6: Final answer
    x = 360,702,654.68

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1.5x scale

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.