Home / 355,735,433,877.16-490,914,898,750.52-203,488,261,867.89

Finding the Fourth Proportional to 355,735,433,877.16, 490,914,898,750.52 and 203,488,261,867.89

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Solution

The fourth proportional to 355,735,433,877.16, 490,914,898,750.52 and 203,488,261,867.89 is: 280,813,801,377.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,735,433,877.16 : 490,914,898,750.52 = 203,488,261,867.89 : x
  2. Step 2: Convert to fraction form
    355,735,433,877.16/490,914,898,750.52 = 203,488,261,867.89/x
  3. Step 3: Cross multiply
    355,735,433,877.16x = 490,914,898,750.52 × 203,488,261,867.89
  4. Step 4: Simplify right side
    355,735,433,877.16x = 99,895,419,471,794,534,350,848
  5. Step 5: Solve for x
    x = 99,895,419,471,794,534,350,848/355,735,433,877.16
  6. Step 6: Final answer
    x = 280,813,801,377.71

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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.