Home / 265,715,519.80-398,573,279.70-223,389,196.60

Finding the Fourth Proportional to 265,715,519.80, 398,573,279.70 and 223,389,196.60

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Solution

The fourth proportional to 265,715,519.80, 398,573,279.70 and 223,389,196.60 is: 335,083,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,715,519.80 : 398,573,279.70 = 223,389,196.60 : x
  2. Step 2: Convert to fraction form
    265,715,519.80/398,573,279.70 = 223,389,196.60/x
  3. Step 3: Cross multiply
    265,715,519.80x = 398,573,279.70 × 223,389,196.60
  4. Step 4: Simplify right side
    265,715,519.80x = 89,036,964,738,410,080
  5. Step 5: Solve for x
    x = 89,036,964,738,410,080/265,715,519.80
  6. Step 6: Final answer
    x = 335,083,794.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.