Home / 330,328,099.52-455,741,200.50-187,258,514

Finding the Fourth Proportional to 330,328,099.52, 455,741,200.50 and 187,258,514

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Solution

The fourth proportional to 330,328,099.52, 455,741,200.50 and 187,258,514 is: 258,353,497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,328,099.52 : 455,741,200.50 = 187,258,514 : x
  2. Step 2: Convert to fraction form
    330,328,099.52/455,741,200.50 = 187,258,514/x
  3. Step 3: Cross multiply
    330,328,099.52x = 455,741,200.50 × 187,258,514
  4. Step 4: Simplify right side
    330,328,099.52x = 85,341,419,974,206,064
  5. Step 5: Solve for x
    x = 85,341,419,974,206,064/330,328,099.52
  6. Step 6: Final answer
    x = 258,353,497.93

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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.