Home / 465,181,201.72-641,954,363.08-256,344,817.56

Finding the Fourth Proportional to 465,181,201.72, 641,954,363.08 and 256,344,817.56

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Solution

The fourth proportional to 465,181,201.72, 641,954,363.08 and 256,344,817.56 is: 353,758,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,181,201.72 : 641,954,363.08 = 256,344,817.56 : x
  2. Step 2: Convert to fraction form
    465,181,201.72/641,954,363.08 = 256,344,817.56/x
  3. Step 3: Cross multiply
    465,181,201.72x = 641,954,363.08 × 256,344,817.56
  4. Step 4: Simplify right side
    465,181,201.72x = 164,561,674,085,588,608
  5. Step 5: Solve for x
    x = 164,561,674,085,588,608/465,181,201.72
  6. Step 6: Final answer
    x = 353,758,220.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.