Home / 840,522,820.20-1,260,784,230.30-295,264,354.20

Finding the Fourth Proportional to 840,522,820.20, 1,260,784,230.30 and 295,264,354.20

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Solution

The fourth proportional to 840,522,820.20, 1,260,784,230.30 and 295,264,354.20 is: 442,896,531.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,522,820.20 : 1,260,784,230.30 = 295,264,354.20 : x
  2. Step 2: Convert to fraction form
    840,522,820.20/1,260,784,230.30 = 295,264,354.20/x
  3. Step 3: Cross multiply
    840,522,820.20x = 1,260,784,230.30 × 295,264,354.20
  4. Step 4: Simplify right side
    840,522,820.20x = 372,264,641,545,073,536
  5. Step 5: Solve for x
    x = 372,264,641,545,073,536/840,522,820.20
  6. Step 6: Final answer
    x = 442,896,531.30

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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.