Home / 1,026,432,801.20-1,539,649,201.80-481,229,447.60

Finding the Fourth Proportional to 1,026,432,801.20, 1,539,649,201.80 and 481,229,447.60

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Solution

The fourth proportional to 1,026,432,801.20, 1,539,649,201.80 and 481,229,447.60 is: 721,844,171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,432,801.20 : 1,539,649,201.80 = 481,229,447.60 : x
  2. Step 2: Convert to fraction form
    1,026,432,801.20/1,539,649,201.80 = 481,229,447.60/x
  3. Step 3: Cross multiply
    1,026,432,801.20x = 1,539,649,201.80 × 481,229,447.60
  4. Step 4: Simplify right side
    1,026,432,801.20x = 740,924,534,879,994,880
  5. Step 5: Solve for x
    x = 740,924,534,879,994,880/1,026,432,801.20
  6. Step 6: Final answer
    x = 721,844,171.40

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Half scale
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Double scale
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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.