Home / 391,460,589.14-540,297,811.23-248,313,763.58

Finding the Fourth Proportional to 391,460,589.14, 540,297,811.23 and 248,313,763.58

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Solution

The fourth proportional to 391,460,589.14, 540,297,811.23 and 248,313,763.58 is: 342,725,134.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,460,589.14 : 540,297,811.23 = 248,313,763.58 : x
  2. Step 2: Convert to fraction form
    391,460,589.14/540,297,811.23 = 248,313,763.58/x
  3. Step 3: Cross multiply
    391,460,589.14x = 540,297,811.23 × 248,313,763.58
  4. Step 4: Simplify right side
    391,460,589.14x = 134,163,382,960,557,696
  5. Step 5: Solve for x
    x = 134,163,382,960,557,696/391,460,589.14
  6. Step 6: Final answer
    x = 342,725,134.23

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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.