Home / 412,656,016.60-618,984,024.90-274,906,509.40

Finding the Fourth Proportional to 412,656,016.60, 618,984,024.90 and 274,906,509.40

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Solution

The fourth proportional to 412,656,016.60, 618,984,024.90 and 274,906,509.40 is: 412,359,764.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,656,016.60 : 618,984,024.90 = 274,906,509.40 : x
  2. Step 2: Convert to fraction form
    412,656,016.60/618,984,024.90 = 274,906,509.40/x
  3. Step 3: Cross multiply
    412,656,016.60x = 618,984,024.90 × 274,906,509.40
  4. Step 4: Simplify right side
    412,656,016.60x = 170,162,737,659,621,664
  5. Step 5: Solve for x
    x = 170,162,737,659,621,664/412,656,016.60
  6. Step 6: Final answer
    x = 412,359,764.10

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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.