Home / 298,922,748.30-448,384,122.45-137,679,612.30

Finding the Fourth Proportional to 298,922,748.30, 448,384,122.45 and 137,679,612.30

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Solution

The fourth proportional to 298,922,748.30, 448,384,122.45 and 137,679,612.30 is: 206,519,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,922,748.30 : 448,384,122.45 = 137,679,612.30 : x
  2. Step 2: Convert to fraction form
    298,922,748.30/448,384,122.45 = 137,679,612.30/x
  3. Step 3: Cross multiply
    298,922,748.30x = 448,384,122.45 × 137,679,612.30
  4. Step 4: Simplify right side
    298,922,748.30x = 61,733,352,140,391,728
  5. Step 5: Solve for x
    x = 61,733,352,140,391,728/298,922,748.30
  6. Step 6: Final answer
    x = 206,519,418.45

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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.