Home / 491,383,915.38-735,645,464.10-257,660,398.26

Finding the Fourth Proportional to 491,383,915.38, 735,645,464.10 and 257,660,398.26

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Solution

The fourth proportional to 491,383,915.38, 735,645,464.10 and 257,660,398.26 is: 385,740,553.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,383,915.38 : 735,645,464.10 = 257,660,398.26 : x
  2. Step 2: Convert to fraction form
    491,383,915.38/735,645,464.10 = 257,660,398.26/x
  3. Step 3: Cross multiply
    491,383,915.38x = 735,645,464.10 × 257,660,398.26
  4. Step 4: Simplify right side
    491,383,915.38x = 189,546,703,258,168,544
  5. Step 5: Solve for x
    x = 189,546,703,258,168,544/491,383,915.38
  6. Step 6: Final answer
    x = 385,740,553.01

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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.