Home / 353,943,720.50-488,471,414.90-195,204,890.93

Finding the Fourth Proportional to 353,943,720.50, 488,471,414.90 and 195,204,890.93

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Solution

The fourth proportional to 353,943,720.50, 488,471,414.90 and 195,204,890.93 is: 269,398,787.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,943,720.50 : 488,471,414.90 = 195,204,890.93 : x
  2. Step 2: Convert to fraction form
    353,943,720.50/488,471,414.90 = 195,204,890.93/x
  3. Step 3: Cross multiply
    353,943,720.50x = 488,471,414.90 × 195,204,890.93
  4. Step 4: Simplify right side
    353,943,720.50x = 95,352,009,264,558,896
  5. Step 5: Solve for x
    x = 95,352,009,264,558,896/353,943,720.50
  6. Step 6: Final answer
    x = 269,398,787.84

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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.