Home / 725,546,278.80-1,087,622,688.60-240,622,477.20

Finding the Fourth Proportional to 725,546,278.80, 1,087,622,688.60 and 240,622,477.20

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Solution

The fourth proportional to 725,546,278.80, 1,087,622,688.60 and 240,622,477.20 is: 360,702,650.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,546,278.80 : 1,087,622,688.60 = 240,622,477.20 : x
  2. Step 2: Convert to fraction form
    725,546,278.80/1,087,622,688.60 = 240,622,477.20/x
  3. Step 3: Cross multiply
    725,546,278.80x = 1,087,622,688.60 × 240,622,477.20
  4. Step 4: Simplify right side
    725,546,278.80x = 261,706,465,589,856,160
  5. Step 5: Solve for x
    x = 261,706,465,589,856,160/725,546,278.80
  6. Step 6: Final answer
    x = 360,702,650.18

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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.