Home / 356,615,999.20-534,923,998.80-231,780,508.30

Finding the Fourth Proportional to 356,615,999.20, 534,923,998.80 and 231,780,508.30

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Solution

The fourth proportional to 356,615,999.20, 534,923,998.80 and 231,780,508.30 is: 347,670,762.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,615,999.20 : 534,923,998.80 = 231,780,508.30 : x
  2. Step 2: Convert to fraction form
    356,615,999.20/534,923,998.80 = 231,780,508.30/x
  3. Step 3: Cross multiply
    356,615,999.20x = 534,923,998.80 × 231,780,508.30
  4. Step 4: Simplify right side
    356,615,999.20x = 123,984,956,343,732,592
  5. Step 5: Solve for x
    x = 123,984,956,343,732,592/356,615,999.20
  6. Step 6: Final answer
    x = 347,670,762.45

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Double scale
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Similar ratio
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1.5x scale

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.