Home / 828,900,872.60-1,243,134,579.30-246,478,242.20

Finding the Fourth Proportional to 828,900,872.60, 1,243,134,579.30 and 246,478,242.20

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Solution

The fourth proportional to 828,900,872.60, 1,243,134,579.30 and 246,478,242.20 is: 369,652,917.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,900,872.60 : 1,243,134,579.30 = 246,478,242.20 : x
  2. Step 2: Convert to fraction form
    828,900,872.60/1,243,134,579.30 = 246,478,242.20/x
  3. Step 3: Cross multiply
    828,900,872.60x = 1,243,134,579.30 × 246,478,242.20
  4. Step 4: Simplify right side
    828,900,872.60x = 306,405,625,923,900,480
  5. Step 5: Solve for x
    x = 306,405,625,923,900,480/828,900,872.60
  6. Step 6: Final answer
    x = 369,652,917.56

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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.