Home / 358,571,727.67-494,815,920.34-199,793,646.77

Finding the Fourth Proportional to 358,571,727.67, 494,815,920.34 and 199,793,646.77

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Solution

The fourth proportional to 358,571,727.67, 494,815,920.34 and 199,793,646.77 is: 275,707,953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,571,727.67 : 494,815,920.34 = 199,793,646.77 : x
  2. Step 2: Convert to fraction form
    358,571,727.67/494,815,920.34 = 199,793,646.77/x
  3. Step 3: Cross multiply
    358,571,727.67x = 494,815,920.34 × 199,793,646.77
  4. Step 4: Simplify right side
    358,571,727.67x = 98,861,077,201,984,464
  5. Step 5: Solve for x
    x = 98,861,077,201,984,464/358,571,727.67
  6. Step 6: Final answer
    x = 275,707,953.45

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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.