Home / 1,090,335,331.60-1,635,502,997.40-660,353,635.60

Finding the Fourth Proportional to 1,090,335,331.60, 1,635,502,997.40 and 660,353,635.60

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Solution

The fourth proportional to 1,090,335,331.60, 1,635,502,997.40 and 660,353,635.60 is: 990,530,453.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,335,331.60 : 1,635,502,997.40 = 660,353,635.60 : x
  2. Step 2: Convert to fraction form
    1,090,335,331.60/1,635,502,997.40 = 660,353,635.60/x
  3. Step 3: Cross multiply
    1,090,335,331.60x = 1,635,502,997.40 × 660,353,635.60
  4. Step 4: Simplify right side
    1,090,335,331.60x = 1,080,010,350,367,787,392
  5. Step 5: Solve for x
    x = 1,080,010,350,367,787,392/1,090,335,331.60
  6. Step 6: Final answer
    x = 990,530,453.40

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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.