Home / 252,261,986.70-378,392,980.05-252,261,986.70

Finding the Fourth Proportional to 252,261,986.70, 378,392,980.05 and 252,261,986.70

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Solution

The fourth proportional to 252,261,986.70, 378,392,980.05 and 252,261,986.70 is: 378,392,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,261,986.70 : 378,392,980.05 = 252,261,986.70 : x
  2. Step 2: Convert to fraction form
    252,261,986.70/378,392,980.05 = 252,261,986.70/x
  3. Step 3: Cross multiply
    252,261,986.70x = 378,392,980.05 × 252,261,986.70
  4. Step 4: Simplify right side
    252,261,986.70x = 95,454,164,900,746,464
  5. Step 5: Solve for x
    x = 95,454,164,900,746,464/252,261,986.70
  6. Step 6: Final answer
    x = 378,392,980.05

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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.