Home / 792,189,331.38-1,093,166,417.81-439,737,561.78

Finding the Fourth Proportional to 792,189,331.38, 1,093,166,417.81 and 439,737,561.78

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Solution

The fourth proportional to 792,189,331.38, 1,093,166,417.81 and 439,737,561.78 is: 606,807,383.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,189,331.38 : 1,093,166,417.81 = 439,737,561.78 : x
  2. Step 2: Convert to fraction form
    792,189,331.38/1,093,166,417.81 = 439,737,561.78/x
  3. Step 3: Cross multiply
    792,189,331.38x = 1,093,166,417.81 × 439,737,561.78
  4. Step 4: Simplify right side
    792,189,331.38x = 480,706,335,187,546,112
  5. Step 5: Solve for x
    x = 480,706,335,187,546,112/792,189,331.38
  6. Step 6: Final answer
    x = 606,807,383.22

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1.5x scale

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.