Home / 355,775,199.98-490,942,969.46-216,530,572.10

Finding the Fourth Proportional to 355,775,199.98, 490,942,969.46 and 216,530,572.10

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Solution

The fourth proportional to 355,775,199.98, 490,942,969.46 and 216,530,572.10 is: 298,795,874.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,775,199.98 : 490,942,969.46 = 216,530,572.10 : x
  2. Step 2: Convert to fraction form
    355,775,199.98/490,942,969.46 = 216,530,572.10/x
  3. Step 3: Cross multiply
    355,775,199.98x = 490,942,969.46 × 216,530,572.10
  4. Step 4: Simplify right side
    355,775,199.98x = 106,304,162,042,109,264
  5. Step 5: Solve for x
    x = 106,304,162,042,109,264/355,775,199.98
  6. Step 6: Final answer
    x = 298,795,874.61

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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.