Home / 356,616,005.70-534,924,008.55-231,780,514.80

Finding the Fourth Proportional to 356,616,005.70, 534,924,008.55 and 231,780,514.80

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Solution

The fourth proportional to 356,616,005.70, 534,924,008.55 and 231,780,514.80 is: 347,670,772.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,616,005.70 : 534,924,008.55 = 231,780,514.80 : x
  2. Step 2: Convert to fraction form
    356,616,005.70/534,924,008.55 = 231,780,514.80/x
  3. Step 3: Cross multiply
    356,616,005.70x = 534,924,008.55 × 231,780,514.80
  4. Step 4: Simplify right side
    356,616,005.70x = 123,984,962,080,598,608
  5. Step 5: Solve for x
    x = 123,984,962,080,598,608/356,616,005.70
  6. Step 6: Final answer
    x = 347,670,772.20

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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.