Home / 442,886,921.10-664,330,381.65-119,770,793.10

Finding the Fourth Proportional to 442,886,921.10, 664,330,381.65 and 119,770,793.10

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Solution

The fourth proportional to 442,886,921.10, 664,330,381.65 and 119,770,793.10 is: 179,656,189.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,886,921.10 : 664,330,381.65 = 119,770,793.10 : x
  2. Step 2: Convert to fraction form
    442,886,921.10/664,330,381.65 = 119,770,793.10/x
  3. Step 3: Cross multiply
    442,886,921.10x = 664,330,381.65 × 119,770,793.10
  4. Step 4: Simplify right side
    442,886,921.10x = 79,567,376,690,646,176
  5. Step 5: Solve for x
    x = 79,567,376,690,646,176/442,886,921.10
  6. Step 6: Final answer
    x = 179,656,189.65

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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.