Home / 698,949,129.30-1,049,935,348.35-494,875,785.30

Finding the Fourth Proportional to 698,949,129.30, 1,049,935,348.35 and 494,875,785.30

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Solution

The fourth proportional to 698,949,129.30, 1,049,935,348.35 and 494,875,785.30 is: 743,383,972.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,949,129.30 : 1,049,935,348.35 = 494,875,785.30 : x
  2. Step 2: Convert to fraction form
    698,949,129.30/1,049,935,348.35 = 494,875,785.30/x
  3. Step 3: Cross multiply
    698,949,129.30x = 1,049,935,348.35 × 494,875,785.30
  4. Step 4: Simplify right side
    698,949,129.30x = 519,587,580,028,935,360
  5. Step 5: Solve for x
    x = 519,587,580,028,935,360/698,949,129.30
  6. Step 6: Final answer
    x = 743,383,972.09

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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.