Home / 299,098,083.20-448,647,124.80-258,046,332.80

Finding the Fourth Proportional to 299,098,083.20, 448,647,124.80 and 258,046,332.80

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Solution

The fourth proportional to 299,098,083.20, 448,647,124.80 and 258,046,332.80 is: 387,069,499.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,098,083.20 : 448,647,124.80 = 258,046,332.80 : x
  2. Step 2: Convert to fraction form
    299,098,083.20/448,647,124.80 = 258,046,332.80/x
  3. Step 3: Cross multiply
    299,098,083.20x = 448,647,124.80 × 258,046,332.80
  4. Step 4: Simplify right side
    299,098,083.20x = 115,771,745,275,903,936
  5. Step 5: Solve for x
    x = 115,771,745,275,903,936/299,098,083.20
  6. Step 6: Final answer
    x = 387,069,499.20

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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.