Home / 478,327,824.10-660,092,393.37-258,311,230.66

Finding the Fourth Proportional to 478,327,824.10, 660,092,393.37 and 258,311,230.66

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Solution

The fourth proportional to 478,327,824.10, 660,092,393.37 and 258,311,230.66 is: 356,469,496.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,327,824.10 : 660,092,393.37 = 258,311,230.66 : x
  2. Step 2: Convert to fraction form
    478,327,824.10/660,092,393.37 = 258,311,230.66/x
  3. Step 3: Cross multiply
    478,327,824.10x = 660,092,393.37 × 258,311,230.66
  4. Step 4: Simplify right side
    478,327,824.10x = 170,509,278,480,709,536
  5. Step 5: Solve for x
    x = 170,509,278,480,709,536/478,327,824.10
  6. Step 6: Final answer
    x = 356,469,496.21

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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.