Home / 358,380,203.73-494,589,537.65-217,257,372.46

Finding the Fourth Proportional to 358,380,203.73, 494,589,537.65 and 217,257,372.46

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Solution

The fourth proportional to 358,380,203.73, 494,589,537.65 and 217,257,372.46 is: 299,830,242.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,380,203.73 : 494,589,537.65 = 217,257,372.46 : x
  2. Step 2: Convert to fraction form
    358,380,203.73/494,589,537.65 = 217,257,372.46/x
  3. Step 3: Cross multiply
    358,380,203.73x = 494,589,537.65 × 217,257,372.46
  4. Step 4: Simplify right side
    358,380,203.73x = 107,453,223,396,045,248
  5. Step 5: Solve for x
    x = 107,453,223,396,045,248/358,380,203.73
  6. Step 6: Final answer
    x = 299,830,242.51

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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.