Home / 385,157,496.22-531,517,074.19-208,945,524.98

Finding the Fourth Proportional to 385,157,496.22, 531,517,074.19 and 208,945,524.98

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Solution

The fourth proportional to 385,157,496.22, 531,517,074.19 and 208,945,524.98 is: 288,344,677.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,157,496.22 : 531,517,074.19 = 208,945,524.98 : x
  2. Step 2: Convert to fraction form
    385,157,496.22/531,517,074.19 = 208,945,524.98/x
  3. Step 3: Cross multiply
    385,157,496.22x = 531,517,074.19 × 208,945,524.98
  4. Step 4: Simplify right side
    385,157,496.22x = 111,058,114,103,273,760
  5. Step 5: Solve for x
    x = 111,058,114,103,273,760/385,157,496.22
  6. Step 6: Final answer
    x = 288,344,677.68

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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.