Home / 408,898,599,669.28-613,360,394,817.63-140,283,811,941.85

Finding the Fourth Proportional to 408,898,599,669.28, 613,360,394,817.63 and 140,283,811,941.85

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Solution

The fourth proportional to 408,898,599,669.28, 613,360,394,817.63 and 140,283,811,941.85 is: 210,430,004,770.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,898,599,669.28 : 613,360,394,817.63 = 140,283,811,941.85 : x
  2. Step 2: Convert to fraction form
    408,898,599,669.28/613,360,394,817.63 = 140,283,811,941.85/x
  3. Step 3: Cross multiply
    408,898,599,669.28x = 613,360,394,817.63 × 140,283,811,941.85
  4. Step 4: Simplify right side
    408,898,599,669.28x = 86,044,534,279,175,273,447,424
  5. Step 5: Solve for x
    x = 86,044,534,279,175,273,447,424/408,898,599,669.28
  6. Step 6: Final answer
    x = 210,430,004,770.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.