Home / 615,188,823.71-848,965,870.12-350,884,198.79

Finding the Fourth Proportional to 615,188,823.71, 848,965,870.12 and 350,884,198.79

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Solution

The fourth proportional to 615,188,823.71, 848,965,870.12 and 350,884,198.79 is: 484,223,213.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,188,823.71 : 848,965,870.12 = 350,884,198.79 : x
  2. Step 2: Convert to fraction form
    615,188,823.71/848,965,870.12 = 350,884,198.79/x
  3. Step 3: Cross multiply
    615,188,823.71x = 848,965,870.12 × 350,884,198.79
  4. Step 4: Simplify right side
    615,188,823.71x = 297,888,709,131,989,376
  5. Step 5: Solve for x
    x = 297,888,709,131,989,376/615,188,823.71
  6. Step 6: Final answer
    x = 484,223,213.51

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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.