Home / 327,346,578.40-491,090,726.40-97,338,913.60

Finding the Fourth Proportional to 327,346,578.40, 491,090,726.40 and 97,338,913.60

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Solution

The fourth proportional to 327,346,578.40, 491,090,726.40 and 97,338,913.60 is: 146,029,440.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,346,578.40 : 491,090,726.40 = 97,338,913.60 : x
  2. Step 2: Convert to fraction form
    327,346,578.40/491,090,726.40 = 97,338,913.60/x
  3. Step 3: Cross multiply
    327,346,578.40x = 491,090,726.40 × 97,338,913.60
  4. Step 4: Simplify right side
    327,346,578.40x = 47,802,237,786,810,832
  5. Step 5: Solve for x
    x = 47,802,237,786,810,832/327,346,578.40
  6. Step 6: Final answer
    x = 146,029,440.79

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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.