Home / 409,421,650.57-614,240,163.75-147,132,699.37

Finding the Fourth Proportional to 409,421,650.57, 614,240,163.75 and 147,132,699.37

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Solution

The fourth proportional to 409,421,650.57, 614,240,163.75 and 147,132,699.37 is: 220,737,748.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,421,650.57 : 614,240,163.75 = 147,132,699.37 : x
  2. Step 2: Convert to fraction form
    409,421,650.57/614,240,163.75 = 147,132,699.37/x
  3. Step 3: Cross multiply
    409,421,650.57x = 614,240,163.75 × 147,132,699.37
  4. Step 4: Simplify right side
    409,421,650.57x = 90,374,813,354,008,320
  5. Step 5: Solve for x
    x = 90,374,813,354,008,320/409,421,650.57
  6. Step 6: Final answer
    x = 220,737,748.55

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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.