Home / 492,022,028.80-738,041,791.20-146,979,913.60

Finding the Fourth Proportional to 492,022,028.80, 738,041,791.20 and 146,979,913.60

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Solution

The fourth proportional to 492,022,028.80, 738,041,791.20 and 146,979,913.60 is: 220,472,483.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,022,028.80 : 738,041,791.20 = 146,979,913.60 : x
  2. Step 2: Convert to fraction form
    492,022,028.80/738,041,791.20 = 146,979,913.60/x
  3. Step 3: Cross multiply
    492,022,028.80x = 738,041,791.20 × 146,979,913.60
  4. Step 4: Simplify right side
    492,022,028.80x = 108,477,318,703,765,248
  5. Step 5: Solve for x
    x = 108,477,318,703,765,248/492,022,028.80
  6. Step 6: Final answer
    x = 220,472,483.66

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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.