Home / 1,618,056,180.20-2,427,084,270.30-930,085,466.60

Finding the Fourth Proportional to 1,618,056,180.20, 2,427,084,270.30 and 930,085,466.60

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Solution

The fourth proportional to 1,618,056,180.20, 2,427,084,270.30 and 930,085,466.60 is: 1,395,128,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,056,180.20 : 2,427,084,270.30 = 930,085,466.60 : x
  2. Step 2: Convert to fraction form
    1,618,056,180.20/2,427,084,270.30 = 930,085,466.60/x
  3. Step 3: Cross multiply
    1,618,056,180.20x = 2,427,084,270.30 × 930,085,466.60
  4. Step 4: Simplify right side
    1,618,056,180.20x = 2,257,395,806,019,496,192
  5. Step 5: Solve for x
    x = 2,257,395,806,019,496,192/1,618,056,180.20
  6. Step 6: Final answer
    x = 1,395,128,199.90

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Double scale
Find fourth proportional to 1,618,056,181.20, 2,427,084,271.80 and 930,085,467.60
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.