Home / 356,616,003.20-534,924,004.80-231,780,512.30

Finding the Fourth Proportional to 356,616,003.20, 534,924,004.80 and 231,780,512.30

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Solution

The fourth proportional to 356,616,003.20, 534,924,004.80 and 231,780,512.30 is: 347,670,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,616,003.20 : 534,924,004.80 = 231,780,512.30 : x
  2. Step 2: Convert to fraction form
    356,616,003.20/534,924,004.80 = 231,780,512.30/x
  3. Step 3: Cross multiply
    356,616,003.20x = 534,924,004.80 × 231,780,512.30
  4. Step 4: Simplify right side
    356,616,003.20x = 123,984,959,874,111,664
  5. Step 5: Solve for x
    x = 123,984,959,874,111,664/356,616,003.20
  6. Step 6: Final answer
    x = 347,670,768.45

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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.