Home / 5,515,815,448.20-8,273,723,172.30-4,427,424,280.20

Finding the Fourth Proportional to 5,515,815,448.20, 8,273,723,172.30 and 4,427,424,280.20

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Solution

The fourth proportional to 5,515,815,448.20, 8,273,723,172.30 and 4,427,424,280.20 is: 6,641,136,420.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515,815,448.20 : 8,273,723,172.30 = 4,427,424,280.20 : x
  2. Step 2: Convert to fraction form
    5,515,815,448.20/8,273,723,172.30 = 4,427,424,280.20/x
  3. Step 3: Cross multiply
    5,515,815,448.20x = 8,273,723,172.30 × 4,427,424,280.20
  4. Step 4: Simplify right side
    5,515,815,448.20x = 36,631,282,860,694,388,736
  5. Step 5: Solve for x
    x = 36,631,282,860,694,388,736/5,515,815,448.20
  6. Step 6: Final answer
    x = 6,641,136,420.30

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Double scale
Find fourth proportional to 5,515,815,449.20, 8,273,723,173.80 and 4,427,424,281.20
Similar ratio
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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.