Home / 461,135,924.30-691,703,886.45-416,654,312.60

Finding the Fourth Proportional to 461,135,924.30, 691,703,886.45 and 416,654,312.60

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Solution

The fourth proportional to 461,135,924.30, 691,703,886.45 and 416,654,312.60 is: 624,981,468.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,135,924.30 : 691,703,886.45 = 416,654,312.60 : x
  2. Step 2: Convert to fraction form
    461,135,924.30/691,703,886.45 = 416,654,312.60/x
  3. Step 3: Cross multiply
    461,135,924.30x = 691,703,886.45 × 416,654,312.60
  4. Step 4: Simplify right side
    461,135,924.30x = 288,201,407,331,573,248
  5. Step 5: Solve for x
    x = 288,201,407,331,573,248/461,135,924.30
  6. Step 6: Final answer
    x = 624,981,468.90

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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.