Home / 883,003,778.82-1,218,162,327.84-525,571,135.20

Finding the Fourth Proportional to 883,003,778.82, 1,218,162,327.84 and 525,571,135.20

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Solution

The fourth proportional to 883,003,778.82, 1,218,162,327.84 and 525,571,135.20 is: 725,060,269.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,003,778.82 : 1,218,162,327.84 = 525,571,135.20 : x
  2. Step 2: Convert to fraction form
    883,003,778.82/1,218,162,327.84 = 525,571,135.20/x
  3. Step 3: Cross multiply
    883,003,778.82x = 1,218,162,327.84 × 525,571,135.20
  4. Step 4: Simplify right side
    883,003,778.82x = 640,230,957,500,743,296
  5. Step 5: Solve for x
    x = 640,230,957,500,743,296/883,003,778.82
  6. Step 6: Final answer
    x = 725,060,269.11

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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.