Home / 330,804,921.80-496,207,382.70-314,932,550.60

Finding the Fourth Proportional to 330,804,921.80, 496,207,382.70 and 314,932,550.60

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Solution

The fourth proportional to 330,804,921.80, 496,207,382.70 and 314,932,550.60 is: 472,398,825.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,804,921.80 : 496,207,382.70 = 314,932,550.60 : x
  2. Step 2: Convert to fraction form
    330,804,921.80/496,207,382.70 = 314,932,550.60/x
  3. Step 3: Cross multiply
    330,804,921.80x = 496,207,382.70 × 314,932,550.60
  4. Step 4: Simplify right side
    330,804,921.80x = 156,271,856,660,261,312
  5. Step 5: Solve for x
    x = 156,271,856,660,261,312/330,804,921.80
  6. Step 6: Final answer
    x = 472,398,825.90

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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.