Home / 465,154,445.92-641,941,321.04-256,310,335.84

Finding the Fourth Proportional to 465,154,445.92, 641,941,321.04 and 256,310,335.84

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Solution

The fourth proportional to 465,154,445.92, 641,941,321.04 and 256,310,335.84 is: 353,723,794.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,154,445.92 : 641,941,321.04 = 256,310,335.84 : x
  2. Step 2: Convert to fraction form
    465,154,445.92/641,941,321.04 = 256,310,335.84/x
  3. Step 3: Cross multiply
    465,154,445.92x = 641,941,321.04 × 256,310,335.84
  4. Step 4: Simplify right side
    465,154,445.92x = 164,536,195,585,335,648
  5. Step 5: Solve for x
    x = 164,536,195,585,335,648/465,154,445.92
  6. Step 6: Final answer
    x = 353,723,794.38

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1.5x scale

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.