Home / 328,875,775.09-493,152,236.52-162,687,266.80

Finding the Fourth Proportional to 328,875,775.09, 493,152,236.52 and 162,687,266.80

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Solution

The fourth proportional to 328,875,775.09, 493,152,236.52 and 162,687,266.80 is: 243,951,046.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,875,775.09 : 493,152,236.52 = 162,687,266.80 : x
  2. Step 2: Convert to fraction form
    328,875,775.09/493,152,236.52 = 162,687,266.80/x
  3. Step 3: Cross multiply
    328,875,775.09x = 493,152,236.52 × 162,687,266.80
  4. Step 4: Simplify right side
    328,875,775.09x = 80,229,589,475,745,952
  5. Step 5: Solve for x
    x = 80,229,589,475,745,952/328,875,775.09
  6. Step 6: Final answer
    x = 243,951,046.42

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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.