Home / 458,279,695.73-632,479,832.12-257,369,588.03

Finding the Fourth Proportional to 458,279,695.73, 632,479,832.12 and 257,369,588.03

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Solution

The fourth proportional to 458,279,695.73, 632,479,832.12 and 257,369,588.03 is: 355,200,274.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,279,695.73 : 632,479,832.12 = 257,369,588.03 : x
  2. Step 2: Convert to fraction form
    458,279,695.73/632,479,832.12 = 257,369,588.03/x
  3. Step 3: Cross multiply
    458,279,695.73x = 632,479,832.12 × 257,369,588.03
  4. Step 4: Simplify right side
    458,279,695.73x = 162,781,073,830,007,968
  5. Step 5: Solve for x
    x = 162,781,073,830,007,968/458,279,695.73
  6. Step 6: Final answer
    x = 355,200,274.74

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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.