Home / 356,156,659.55-491,496,236.77-197,397,032.31

Finding the Fourth Proportional to 356,156,659.55, 491,496,236.77 and 197,397,032.31

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Solution

The fourth proportional to 356,156,659.55, 491,496,236.77 and 197,397,032.31 is: 272,407,930.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,156,659.55 : 491,496,236.77 = 197,397,032.31 : x
  2. Step 2: Convert to fraction form
    356,156,659.55/491,496,236.77 = 197,397,032.31/x
  3. Step 3: Cross multiply
    356,156,659.55x = 491,496,236.77 × 197,397,032.31
  4. Step 4: Simplify right side
    356,156,659.55x = 97,019,898,529,931,104
  5. Step 5: Solve for x
    x = 97,019,898,529,931,104/356,156,659.55
  6. Step 6: Final answer
    x = 272,407,930.41

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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.