Home / 1,399,065,843.60-2,097,642,171.60-662,488,617.60

Finding the Fourth Proportional to 1,399,065,843.60, 2,097,642,171.60 and 662,488,617.60

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Solution

The fourth proportional to 1,399,065,843.60, 2,097,642,171.60 and 662,488,617.60 is: 993,279,958.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,065,843.60 : 2,097,642,171.60 = 662,488,617.60 : x
  2. Step 2: Convert to fraction form
    1,399,065,843.60/2,097,642,171.60 = 662,488,617.60/x
  3. Step 3: Cross multiply
    1,399,065,843.60x = 2,097,642,171.60 × 662,488,617.60
  4. Step 4: Simplify right side
    1,399,065,843.60x = 1,389,664,062,482,745,856
  5. Step 5: Solve for x
    x = 1,389,664,062,482,745,856/1,399,065,843.60
  6. Step 6: Final answer
    x = 993,279,958.08

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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.