Home / 305,230,675.80-457,846,013.70-189,004,529.10

Finding the Fourth Proportional to 305,230,675.80, 457,846,013.70 and 189,004,529.10

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Solution

The fourth proportional to 305,230,675.80, 457,846,013.70 and 189,004,529.10 is: 283,506,793.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,230,675.80 : 457,846,013.70 = 189,004,529.10 : x
  2. Step 2: Convert to fraction form
    305,230,675.80/457,846,013.70 = 189,004,529.10/x
  3. Step 3: Cross multiply
    305,230,675.80x = 457,846,013.70 × 189,004,529.10
  4. Step 4: Simplify right side
    305,230,675.80x = 86,534,970,219,680,640
  5. Step 5: Solve for x
    x = 86,534,970,219,680,640/305,230,675.80
  6. Step 6: Final answer
    x = 283,506,793.65

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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.