Home / 492,060,923.80-738,091,385.70-396,509,435.80

Finding the Fourth Proportional to 492,060,923.80, 738,091,385.70 and 396,509,435.80

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Solution

The fourth proportional to 492,060,923.80, 738,091,385.70 and 396,509,435.80 is: 594,764,153.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,060,923.80 : 738,091,385.70 = 396,509,435.80 : x
  2. Step 2: Convert to fraction form
    492,060,923.80/738,091,385.70 = 396,509,435.80/x
  3. Step 3: Cross multiply
    492,060,923.80x = 738,091,385.70 × 396,509,435.80
  4. Step 4: Simplify right side
    492,060,923.80x = 292,660,198,912,747,200
  5. Step 5: Solve for x
    x = 292,660,198,912,747,200/492,060,923.80
  6. Step 6: Final answer
    x = 594,764,153.70

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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.