Home / 579,231,092.70-868,846,639.05-515,741,607.90

Finding the Fourth Proportional to 579,231,092.70, 868,846,639.05 and 515,741,607.90

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Solution

The fourth proportional to 579,231,092.70, 868,846,639.05 and 515,741,607.90 is: 773,612,411.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,231,092.70 : 868,846,639.05 = 515,741,607.90 : x
  2. Step 2: Convert to fraction form
    579,231,092.70/868,846,639.05 = 515,741,607.90/x
  3. Step 3: Cross multiply
    579,231,092.70x = 868,846,639.05 × 515,741,607.90
  4. Step 4: Simplify right side
    579,231,092.70x = 448,100,362,642,157,888
  5. Step 5: Solve for x
    x = 448,100,362,642,157,888/579,231,092.70
  6. Step 6: Final answer
    x = 773,612,411.85

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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.