Home / 489,960,930.80-734,941,396.20-308,562,402.80

Finding the Fourth Proportional to 489,960,930.80, 734,941,396.20 and 308,562,402.80

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Solution

The fourth proportional to 489,960,930.80, 734,941,396.20 and 308,562,402.80 is: 462,843,604.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,960,930.80 : 734,941,396.20 = 308,562,402.80 : x
  2. Step 2: Convert to fraction form
    489,960,930.80/734,941,396.20 = 308,562,402.80/x
  3. Step 3: Cross multiply
    489,960,930.80x = 734,941,396.20 × 308,562,402.80
  4. Step 4: Simplify right side
    489,960,930.80x = 226,775,283,128,658,816
  5. Step 5: Solve for x
    x = 226,775,283,128,658,816/489,960,930.80
  6. Step 6: Final answer
    x = 462,843,604.20

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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.