Home / 619,831,521.78-855,350,029.22-337,567,591.50

Finding the Fourth Proportional to 619,831,521.78, 855,350,029.22 and 337,567,591.50

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Solution

The fourth proportional to 619,831,521.78, 855,350,029.22 and 337,567,591.50 is: 465,833,761.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,831,521.78 : 855,350,029.22 = 337,567,591.50 : x
  2. Step 2: Convert to fraction form
    619,831,521.78/855,350,029.22 = 337,567,591.50/x
  3. Step 3: Cross multiply
    619,831,521.78x = 855,350,029.22 × 337,567,591.50
  4. Step 4: Simplify right side
    619,831,521.78x = 288,738,449,253,250,048
  5. Step 5: Solve for x
    x = 288,738,449,253,250,048/619,831,521.78
  6. Step 6: Final answer
    x = 465,833,761.45

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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.