Home / 455,074,405.44-628,002,273.60-256,877,617.92

Finding the Fourth Proportional to 455,074,405.44, 628,002,273.60 and 256,877,617.92

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Solution

The fourth proportional to 455,074,405.44, 628,002,273.60 and 256,877,617.92 is: 354,490,883.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,074,405.44 : 628,002,273.60 = 256,877,617.92 : x
  2. Step 2: Convert to fraction form
    455,074,405.44/628,002,273.60 = 256,877,617.92/x
  3. Step 3: Cross multiply
    455,074,405.44x = 628,002,273.60 × 256,877,617.92
  4. Step 4: Simplify right side
    455,074,405.44x = 161,319,728,090,712,096
  5. Step 5: Solve for x
    x = 161,319,728,090,712,096/455,074,405.44
  6. Step 6: Final answer
    x = 354,490,883.61

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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.