Home / 1,455,351,978.60-2,183,027,967.90-800,049,796.20

Finding the Fourth Proportional to 1,455,351,978.60, 2,183,027,967.90 and 800,049,796.20

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Solution

The fourth proportional to 1,455,351,978.60, 2,183,027,967.90 and 800,049,796.20 is: 1,200,074,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,351,978.60 : 2,183,027,967.90 = 800,049,796.20 : x
  2. Step 2: Convert to fraction form
    1,455,351,978.60/2,183,027,967.90 = 800,049,796.20/x
  3. Step 3: Cross multiply
    1,455,351,978.60x = 2,183,027,967.90 × 800,049,796.20
  4. Step 4: Simplify right side
    1,455,351,978.60x = 1,746,531,080,817,295,360
  5. Step 5: Solve for x
    x = 1,746,531,080,817,295,360/1,455,351,978.60
  6. Step 6: Final answer
    x = 1,200,074,694.30

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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.