Home / 665,067,026.80-997,600,540.20-648,060,914.80

Finding the Fourth Proportional to 665,067,026.80, 997,600,540.20 and 648,060,914.80

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Solution

The fourth proportional to 665,067,026.80, 997,600,540.20 and 648,060,914.80 is: 972,091,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,067,026.80 : 997,600,540.20 = 648,060,914.80 : x
  2. Step 2: Convert to fraction form
    665,067,026.80/997,600,540.20 = 648,060,914.80/x
  3. Step 3: Cross multiply
    665,067,026.80x = 997,600,540.20 × 648,060,914.80
  4. Step 4: Simplify right side
    665,067,026.80x = 646,505,918,686,986,112
  5. Step 5: Solve for x
    x = 646,505,918,686,986,112/665,067,026.80
  6. Step 6: Final answer
    x = 972,091,372.20

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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.