Home / 440,926,749.09-661,391,906.75-178,616,260.60

Finding the Fourth Proportional to 440,926,749.09, 661,391,906.75 and 178,616,260.60

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Solution

The fourth proportional to 440,926,749.09, 661,391,906.75 and 178,616,260.60 is: 267,925,113.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,926,749.09 : 661,391,906.75 = 178,616,260.60 : x
  2. Step 2: Convert to fraction form
    440,926,749.09/661,391,906.75 = 178,616,260.60/x
  3. Step 3: Cross multiply
    440,926,749.09x = 661,391,906.75 × 178,616,260.60
  4. Step 4: Simplify right side
    440,926,749.09x = 118,135,349,174,788,896
  5. Step 5: Solve for x
    x = 118,135,349,174,788,896/440,926,749.09
  6. Step 6: Final answer
    x = 267,925,113.23

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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.