Home / 305,230,708.80-457,846,063.20-189,004,562.10

Finding the Fourth Proportional to 305,230,708.80, 457,846,063.20 and 189,004,562.10

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Solution

The fourth proportional to 305,230,708.80, 457,846,063.20 and 189,004,562.10 is: 283,506,843.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,230,708.80 : 457,846,063.20 = 189,004,562.10 : x
  2. Step 2: Convert to fraction form
    305,230,708.80/457,846,063.20 = 189,004,562.10/x
  3. Step 3: Cross multiply
    305,230,708.80x = 457,846,063.20 × 189,004,562.10
  4. Step 4: Simplify right side
    305,230,708.80x = 86,534,994,684,324,912
  5. Step 5: Solve for x
    x = 86,534,994,684,324,912/305,230,708.80
  6. Step 6: Final answer
    x = 283,506,843.15

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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.