Home / 355,735,433,881.66-490,914,898,756.73-203,488,261,872.39

Finding the Fourth Proportional to 355,735,433,881.66, 490,914,898,756.73 and 203,488,261,872.39

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Solution

The fourth proportional to 355,735,433,881.66, 490,914,898,756.73 and 203,488,261,872.39 is: 280,813,801,383.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,735,433,881.66 : 490,914,898,756.73 = 203,488,261,872.39 : x
  2. Step 2: Convert to fraction form
    355,735,433,881.66/490,914,898,756.73 = 203,488,261,872.39/x
  3. Step 3: Cross multiply
    355,735,433,881.66x = 490,914,898,756.73 × 203,488,261,872.39
  4. Step 4: Simplify right side
    355,735,433,881.66x = 99,895,419,475,267,300,622,336
  5. Step 5: Solve for x
    x = 99,895,419,475,267,300,622,336/355,735,433,881.66
  6. Step 6: Final answer
    x = 280,813,801,383.92

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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.