Home / 327,346,540.40-491,090,669.40-97,338,875.60

Finding the Fourth Proportional to 327,346,540.40, 491,090,669.40 and 97,338,875.60

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Solution

The fourth proportional to 327,346,540.40, 491,090,669.40 and 97,338,875.60 is: 146,029,383.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,346,540.40 : 491,090,669.40 = 97,338,875.60 : x
  2. Step 2: Convert to fraction form
    327,346,540.40/491,090,669.40 = 97,338,875.60/x
  3. Step 3: Cross multiply
    327,346,540.40x = 491,090,669.40 × 97,338,875.60
  4. Step 4: Simplify right side
    327,346,540.40x = 47,802,213,577,047,320
  5. Step 5: Solve for x
    x = 47,802,213,577,047,320/327,346,540.40
  6. Step 6: Final answer
    x = 146,029,383.78

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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.