Home / 330,725,446.96-456,444,576.75-189,651,874.72

Finding the Fourth Proportional to 330,725,446.96, 456,444,576.75 and 189,651,874.72

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Solution

The fourth proportional to 330,725,446.96, 456,444,576.75 and 189,651,874.72 is: 261,744,508.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,725,446.96 : 456,444,576.75 = 189,651,874.72 : x
  2. Step 2: Convert to fraction form
    330,725,446.96/456,444,576.75 = 189,651,874.72/x
  3. Step 3: Cross multiply
    330,725,446.96x = 456,444,576.75 × 189,651,874.72
  4. Step 4: Simplify right side
    330,725,446.96x = 86,565,569,686,414,432
  5. Step 5: Solve for x
    x = 86,565,569,686,414,432/330,725,446.96
  6. Step 6: Final answer
    x = 261,744,508.87

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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.