Home / 1,254,856,100.24-1,731,580,103.40-726,114,616.40

Finding the Fourth Proportional to 1,254,856,100.24, 1,731,580,103.40 and 726,114,616.40

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Solution

The fourth proportional to 1,254,856,100.24, 1,731,580,103.40 and 726,114,616.40 is: 1,001,967,972.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,856,100.24 : 1,731,580,103.40 = 726,114,616.40 : x
  2. Step 2: Convert to fraction form
    1,254,856,100.24/1,731,580,103.40 = 726,114,616.40/x
  3. Step 3: Cross multiply
    1,254,856,100.24x = 1,731,580,103.40 × 726,114,616.40
  4. Step 4: Simplify right side
    1,254,856,100.24x = 1,257,325,622,546,163,456
  5. Step 5: Solve for x
    x = 1,257,325,622,546,163,456/1,254,856,100.24
  6. Step 6: Final answer
    x = 1,001,967,972.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.