Home / 1,326,970,231.20-1,990,455,346.80-844,435,216.80

Finding the Fourth Proportional to 1,326,970,231.20, 1,990,455,346.80 and 844,435,216.80

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Solution

The fourth proportional to 1,326,970,231.20, 1,990,455,346.80 and 844,435,216.80 is: 1,266,652,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,970,231.20 : 1,990,455,346.80 = 844,435,216.80 : x
  2. Step 2: Convert to fraction form
    1,326,970,231.20/1,990,455,346.80 = 844,435,216.80/x
  3. Step 3: Cross multiply
    1,326,970,231.20x = 1,990,455,346.80 × 844,435,216.80
  4. Step 4: Simplify right side
    1,326,970,231.20x = 1,680,810,592,305,777,152
  5. Step 5: Solve for x
    x = 1,680,810,592,305,777,152/1,326,970,231.20
  6. Step 6: Final answer
    x = 1,266,652,825.20

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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.