Home / 358,279,966.27-494,410,449.95-199,518,278.23

Finding the Fourth Proportional to 358,279,966.27, 494,410,449.95 and 199,518,278.23

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Solution

The fourth proportional to 358,279,966.27, 494,410,449.95 and 199,518,278.23 is: 275,326,367.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,279,966.27 : 494,410,449.95 = 199,518,278.23 : x
  2. Step 2: Convert to fraction form
    358,279,966.27/494,410,449.95 = 199,518,278.23/x
  3. Step 3: Cross multiply
    358,279,966.27x = 494,410,449.95 × 199,518,278.23
  4. Step 4: Simplify right side
    358,279,966.27x = 98,643,921,713,312,208
  5. Step 5: Solve for x
    x = 98,643,921,713,312,208/358,279,966.27
  6. Step 6: Final answer
    x = 275,326,367.64

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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.