Home / 440,999,771.17-661,599,314.47-145,894,198.80

Finding the Fourth Proportional to 440,999,771.17, 661,599,314.47 and 145,894,198.80

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Solution

The fourth proportional to 440,999,771.17, 661,599,314.47 and 145,894,198.80 is: 218,874,267.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,999,771.17 : 661,599,314.47 = 145,894,198.80 : x
  2. Step 2: Convert to fraction form
    440,999,771.17/661,599,314.47 = 145,894,198.80/x
  3. Step 3: Cross multiply
    440,999,771.17x = 661,599,314.47 × 145,894,198.80
  4. Step 4: Simplify right side
    440,999,771.17x = 96,523,501,910,168,464
  5. Step 5: Solve for x
    x = 96,523,501,910,168,464/440,999,771.17
  6. Step 6: Final answer
    x = 218,874,267.56

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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.