Home / 526,605,752.78-726,714,124.85-303,586,371.05

Finding the Fourth Proportional to 526,605,752.78, 726,714,124.85 and 303,586,371.05

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Solution

The fourth proportional to 526,605,752.78, 726,714,124.85 and 303,586,371.05 is: 418,948,146.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,605,752.78 : 726,714,124.85 = 303,586,371.05 : x
  2. Step 2: Convert to fraction form
    526,605,752.78/726,714,124.85 = 303,586,371.05/x
  3. Step 3: Cross multiply
    526,605,752.78x = 726,714,124.85 × 303,586,371.05
  4. Step 4: Simplify right side
    526,605,752.78x = 220,620,503,948,836,640
  5. Step 5: Solve for x
    x = 220,620,503,948,836,640/526,605,752.78
  6. Step 6: Final answer
    x = 418,948,146.29

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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.