Home / 571,906,703.25-789,187,937.49-320,962,629.60

Finding the Fourth Proportional to 571,906,703.25, 789,187,937.49 and 320,962,629.60

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Solution

The fourth proportional to 571,906,703.25, 789,187,937.49 and 320,962,629.60 is: 442,904,120.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,906,703.25 : 789,187,937.49 = 320,962,629.60 : x
  2. Step 2: Convert to fraction form
    571,906,703.25/789,187,937.49 = 320,962,629.60/x
  3. Step 3: Cross multiply
    571,906,703.25x = 789,187,937.49 × 320,962,629.60
  4. Step 4: Simplify right side
    571,906,703.25x = 253,299,835,665,390,848
  5. Step 5: Solve for x
    x = 253,299,835,665,390,848/571,906,703.25
  6. Step 6: Final answer
    x = 442,904,120.94

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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.