Home / 357,988,952.91-494,021,185.68-199,216,356.33

Finding the Fourth Proportional to 357,988,952.91, 494,021,185.68 and 199,216,356.33

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Solution

The fourth proportional to 357,988,952.91, 494,021,185.68 and 199,216,356.33 is: 274,916,585.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,988,952.91 : 494,021,185.68 = 199,216,356.33 : x
  2. Step 2: Convert to fraction form
    357,988,952.91/494,021,185.68 = 199,216,356.33/x
  3. Step 3: Cross multiply
    357,988,952.91x = 494,021,185.68 × 199,216,356.33
  4. Step 4: Simplify right side
    357,988,952.91x = 98,417,100,562,207,408
  5. Step 5: Solve for x
    x = 98,417,100,562,207,408/357,988,952.91
  6. Step 6: Final answer
    x = 274,916,585.45

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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.