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Finding the Fourth Proportional to 483,404,851.81, 724,591,026.54 and 275,696,014.78

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Solution

The fourth proportional to 483,404,851.81, 724,591,026.54 and 275,696,014.78 is: 413,249,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,404,851.81 : 724,591,026.54 = 275,696,014.78 : x
  2. Step 2: Convert to fraction form
    483,404,851.81/724,591,026.54 = 275,696,014.78/x
  3. Step 3: Cross multiply
    483,404,851.81x = 724,591,026.54 × 275,696,014.78
  4. Step 4: Simplify right side
    483,404,851.81x = 199,766,858,362,427,168
  5. Step 5: Solve for x
    x = 199,766,858,362,427,168/483,404,851.81
  6. Step 6: Final answer
    x = 413,249,593.20

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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.