Home / 276,905,654.38-382,247,464.67-172,535,293

Finding the Fourth Proportional to 276,905,654.38, 382,247,464.67 and 172,535,293

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Solution

The fourth proportional to 276,905,654.38, 382,247,464.67 and 172,535,293 is: 238,172,017.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,905,654.38 : 382,247,464.67 = 172,535,293 : x
  2. Step 2: Convert to fraction form
    276,905,654.38/382,247,464.67 = 172,535,293/x
  3. Step 3: Cross multiply
    276,905,654.38x = 382,247,464.67 × 172,535,293
  4. Step 4: Simplify right side
    276,905,654.38x = 65,951,178,315,345,600
  5. Step 5: Solve for x
    x = 65,951,178,315,345,600/276,905,654.38
  6. Step 6: Final answer
    x = 238,172,017.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.