Home / 484,568,456.80-726,852,685.20-291,076,693.60

Finding the Fourth Proportional to 484,568,456.80, 726,852,685.20 and 291,076,693.60

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Solution

The fourth proportional to 484,568,456.80, 726,852,685.20 and 291,076,693.60 is: 436,615,040.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,568,456.80 : 726,852,685.20 = 291,076,693.60 : x
  2. Step 2: Convert to fraction form
    484,568,456.80/726,852,685.20 = 291,076,693.60/x
  3. Step 3: Cross multiply
    484,568,456.80x = 726,852,685.20 × 291,076,693.60
  4. Step 4: Simplify right side
    484,568,456.80x = 211,569,876,342,297,696
  5. Step 5: Solve for x
    x = 211,569,876,342,297,696/484,568,456.80
  6. Step 6: Final answer
    x = 436,615,040.40

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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.