Home / 299,329,138.80-448,993,708.20-248,940,658.80

Finding the Fourth Proportional to 299,329,138.80, 448,993,708.20 and 248,940,658.80

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Solution

The fourth proportional to 299,329,138.80, 448,993,708.20 and 248,940,658.80 is: 373,410,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,329,138.80 : 448,993,708.20 = 248,940,658.80 : x
  2. Step 2: Convert to fraction form
    299,329,138.80/448,993,708.20 = 248,940,658.80/x
  3. Step 3: Cross multiply
    299,329,138.80x = 448,993,708.20 × 248,940,658.80
  4. Step 4: Simplify right side
    299,329,138.80x = 111,772,789,516,362,960
  5. Step 5: Solve for x
    x = 111,772,789,516,362,960/299,329,138.80
  6. Step 6: Final answer
    x = 373,410,988.20

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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.