Home / 492,072,976.80-738,118,213.20-147,030,861.60

Finding the Fourth Proportional to 492,072,976.80, 738,118,213.20 and 147,030,861.60

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Solution

The fourth proportional to 492,072,976.80, 738,118,213.20 and 147,030,861.60 is: 220,548,906.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,072,976.80 : 738,118,213.20 = 147,030,861.60 : x
  2. Step 2: Convert to fraction form
    492,072,976.80/738,118,213.20 = 147,030,861.60/x
  3. Step 3: Cross multiply
    492,072,976.80x = 738,118,213.20 × 147,030,861.60
  4. Step 4: Simplify right side
    492,072,976.80x = 108,526,156,849,448,496
  5. Step 5: Solve for x
    x = 108,526,156,849,448,496/492,072,976.80
  6. Step 6: Final answer
    x = 220,548,906.29

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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.