Home / 3,650,831,990.20-5,476,247,985.30-2,199,643,766.20

Finding the Fourth Proportional to 3,650,831,990.20, 5,476,247,985.30 and 2,199,643,766.20

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Solution

The fourth proportional to 3,650,831,990.20, 5,476,247,985.30 and 2,199,643,766.20 is: 3,299,465,649.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650,831,990.20 : 5,476,247,985.30 = 2,199,643,766.20 : x
  2. Step 2: Convert to fraction form
    3,650,831,990.20/5,476,247,985.30 = 2,199,643,766.20/x
  3. Step 3: Cross multiply
    3,650,831,990.20x = 5,476,247,985.30 × 2,199,643,766.20
  4. Step 4: Simplify right side
    3,650,831,990.20x = 12,045,794,743,030,454,272
  5. Step 5: Solve for x
    x = 12,045,794,743,030,454,272/3,650,831,990.20
  6. Step 6: Final answer
    x = 3,299,465,649.30

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Double scale
Find fourth proportional to 3,650,831,991.20, 5,476,247,986.80 and 2,199,643,767.20
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.