Home / 492,060,918.80-738,091,378.20-396,509,430.80

Finding the Fourth Proportional to 492,060,918.80, 738,091,378.20 and 396,509,430.80

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Solution

The fourth proportional to 492,060,918.80, 738,091,378.20 and 396,509,430.80 is: 594,764,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,060,918.80 : 738,091,378.20 = 396,509,430.80 : x
  2. Step 2: Convert to fraction form
    492,060,918.80/738,091,378.20 = 396,509,430.80/x
  3. Step 3: Cross multiply
    492,060,918.80x = 738,091,378.20 × 396,509,430.80
  4. Step 4: Simplify right side
    492,060,918.80x = 292,660,192,248,469,568
  5. Step 5: Solve for x
    x = 292,660,192,248,469,568/492,060,918.80
  6. Step 6: Final answer
    x = 594,764,146.20

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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.