Home / 840,522,823.20-1,260,784,234.80-295,264,357.20

Finding the Fourth Proportional to 840,522,823.20, 1,260,784,234.80 and 295,264,357.20

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Solution

The fourth proportional to 840,522,823.20, 1,260,784,234.80 and 295,264,357.20 is: 442,896,535.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,522,823.20 : 1,260,784,234.80 = 295,264,357.20 : x
  2. Step 2: Convert to fraction form
    840,522,823.20/1,260,784,234.80 = 295,264,357.20/x
  3. Step 3: Cross multiply
    840,522,823.20x = 1,260,784,234.80 × 295,264,357.20
  4. Step 4: Simplify right side
    840,522,823.20x = 372,264,646,656,115,840
  5. Step 5: Solve for x
    x = 372,264,646,656,115,840/840,522,823.20
  6. Step 6: Final answer
    x = 442,896,535.80

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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.