Home / 539,022,965.12-743,853,933.42-291,504,319.38

Finding the Fourth Proportional to 539,022,965.12, 743,853,933.42 and 291,504,319.38

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Solution

The fourth proportional to 539,022,965.12, 743,853,933.42 and 291,504,319.38 is: 402,277,172.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,022,965.12 : 743,853,933.42 = 291,504,319.38 : x
  2. Step 2: Convert to fraction form
    539,022,965.12/743,853,933.42 = 291,504,319.38/x
  3. Step 3: Cross multiply
    539,022,965.12x = 743,853,933.42 × 291,504,319.38
  4. Step 4: Simplify right side
    539,022,965.12x = 216,836,634,579,732,928
  5. Step 5: Solve for x
    x = 216,836,634,579,732,928/539,022,965.12
  6. Step 6: Final answer
    x = 402,277,172.98

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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.