Home / 268,525,010.20-402,409,601.70-198,894,429.40

Finding the Fourth Proportional to 268,525,010.20, 402,409,601.70 and 198,894,429.40

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Solution

The fourth proportional to 268,525,010.20, 402,409,601.70 and 198,894,429.40 is: 298,061,726.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,525,010.20 : 402,409,601.70 = 198,894,429.40 : x
  2. Step 2: Convert to fraction form
    268,525,010.20/402,409,601.70 = 198,894,429.40/x
  3. Step 3: Cross multiply
    268,525,010.20x = 402,409,601.70 × 198,894,429.40
  4. Step 4: Simplify right side
    268,525,010.20x = 80,037,028,115,202,768
  5. Step 5: Solve for x
    x = 80,037,028,115,202,768/268,525,010.20
  6. Step 6: Final answer
    x = 298,061,726.38

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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.