Home / 299,098,151.20-448,647,226.80-258,046,400.80

Finding the Fourth Proportional to 299,098,151.20, 448,647,226.80 and 258,046,400.80

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Solution

The fourth proportional to 299,098,151.20, 448,647,226.80 and 258,046,400.80 is: 387,069,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,098,151.20 : 448,647,226.80 = 258,046,400.80 : x
  2. Step 2: Convert to fraction form
    299,098,151.20/448,647,226.80 = 258,046,400.80/x
  3. Step 3: Cross multiply
    299,098,151.20x = 448,647,226.80 × 258,046,400.80
  4. Step 4: Simplify right side
    299,098,151.20x = 115,771,802,104,641,312
  5. Step 5: Solve for x
    x = 115,771,802,104,641,312/299,098,151.20
  6. Step 6: Final answer
    x = 387,069,601.20

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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.