Home / 493,991,517.85-681,701,862.51-282,295,939.79

Finding the Fourth Proportional to 493,991,517.85, 681,701,862.51 and 282,295,939.79

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Solution

The fourth proportional to 493,991,517.85, 681,701,862.51 and 282,295,939.79 is: 389,564,721.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,991,517.85 : 681,701,862.51 = 282,295,939.79 : x
  2. Step 2: Convert to fraction form
    493,991,517.85/681,701,862.51 = 282,295,939.79/x
  3. Step 3: Cross multiply
    493,991,517.85x = 681,701,862.51 × 282,295,939.79
  4. Step 4: Simplify right side
    493,991,517.85x = 192,441,667,935,558,080
  5. Step 5: Solve for x
    x = 192,441,667,935,558,080/493,991,517.85
  6. Step 6: Final answer
    x = 389,564,721.22

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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.