Home / 1,244,631,926.80-1,866,947,890.20-624,759,144.40

Finding the Fourth Proportional to 1,244,631,926.80, 1,866,947,890.20 and 624,759,144.40

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Solution

The fourth proportional to 1,244,631,926.80, 1,866,947,890.20 and 624,759,144.40 is: 937,138,716.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,631,926.80 : 1,866,947,890.20 = 624,759,144.40 : x
  2. Step 2: Convert to fraction form
    1,244,631,926.80/1,866,947,890.20 = 624,759,144.40/x
  3. Step 3: Cross multiply
    1,244,631,926.80x = 1,866,947,890.20 × 624,759,144.40
  4. Step 4: Simplify right side
    1,244,631,926.80x = 1,166,392,766,520,737,024
  5. Step 5: Solve for x
    x = 1,166,392,766,520,737,024/1,244,631,926.80
  6. Step 6: Final answer
    x = 937,138,716.60

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Double scale
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1.5x scale

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.