Home / 580,071,600.56-800,509,012.44-315,761,190.68

Finding the Fourth Proportional to 580,071,600.56, 800,509,012.44 and 315,761,190.68

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Solution

The fourth proportional to 580,071,600.56, 800,509,012.44 and 315,761,190.68 is: 435,755,997.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,071,600.56 : 800,509,012.44 = 315,761,190.68 : x
  2. Step 2: Convert to fraction form
    580,071,600.56/800,509,012.44 = 315,761,190.68/x
  3. Step 3: Cross multiply
    580,071,600.56x = 800,509,012.44 × 315,761,190.68
  4. Step 4: Simplify right side
    580,071,600.56x = 252,769,678,918,125,344
  5. Step 5: Solve for x
    x = 252,769,678,918,125,344/580,071,600.56
  6. Step 6: Final answer
    x = 435,755,997.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.