Home / 412,826,792,405.70-619,240,188,608.55-129,932,351,337.90

Finding the Fourth Proportional to 412,826,792,405.70, 619,240,188,608.55 and 129,932,351,337.90

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Solution

The fourth proportional to 412,826,792,405.70, 619,240,188,608.55 and 129,932,351,337.90 is: 194,898,527,006.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,826,792,405.70 : 619,240,188,608.55 = 129,932,351,337.90 : x
  2. Step 2: Convert to fraction form
    412,826,792,405.70/619,240,188,608.55 = 129,932,351,337.90/x
  3. Step 3: Cross multiply
    412,826,792,405.70x = 619,240,188,608.55 × 129,932,351,337.90
  4. Step 4: Simplify right side
    412,826,792,405.70x = 80,459,333,748,833,579,433,984
  5. Step 5: Solve for x
    x = 80,459,333,748,833,579,433,984/412,826,792,405.70
  6. Step 6: Final answer
    x = 194,898,527,006.85

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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.