Home / 2,807,889,432.20-4,211,834,148.30-1,991,596,056.20

Finding the Fourth Proportional to 2,807,889,432.20, 4,211,834,148.30 and 1,991,596,056.20

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Solution

The fourth proportional to 2,807,889,432.20, 4,211,834,148.30 and 1,991,596,056.20 is: 2,987,394,084.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807,889,432.20 : 4,211,834,148.30 = 1,991,596,056.20 : x
  2. Step 2: Convert to fraction form
    2,807,889,432.20/4,211,834,148.30 = 1,991,596,056.20/x
  3. Step 3: Cross multiply
    2,807,889,432.20x = 4,211,834,148.30 × 1,991,596,056.20
  4. Step 4: Simplify right side
    2,807,889,432.20x = 8,388,272,279,122,766,848
  5. Step 5: Solve for x
    x = 8,388,272,279,122,766,848/2,807,889,432.20
  6. Step 6: Final answer
    x = 2,987,394,084.30

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Double scale
Find fourth proportional to 2,807,889,433.20, 4,211,834,149.80 and 1,991,596,057.20
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.