Home / 492,022,024.80-738,041,785.20-146,979,909.60

Finding the Fourth Proportional to 492,022,024.80, 738,041,785.20 and 146,979,909.60

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Solution

The fourth proportional to 492,022,024.80, 738,041,785.20 and 146,979,909.60 is: 220,472,477.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,022,024.80 : 738,041,785.20 = 146,979,909.60 : x
  2. Step 2: Convert to fraction form
    492,022,024.80/738,041,785.20 = 146,979,909.60/x
  3. Step 3: Cross multiply
    492,022,024.80x = 738,041,785.20 × 146,979,909.60
  4. Step 4: Simplify right side
    492,022,024.80x = 108,477,314,869,718,624
  5. Step 5: Solve for x
    x = 108,477,314,869,718,624/492,022,024.80
  6. Step 6: Final answer
    x = 220,472,477.66

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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.