Home / 1,431,275,743,331.50-2,146,755,023,858-512,308,380,766.33

Finding the Fourth Proportional to 1,431,275,743,331.50, 2,146,755,023,858 and 512,308,380,766.33

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Solution

The fourth proportional to 1,431,275,743,331.50, 2,146,755,023,858 and 512,308,380,766.33 is: 768,405,805,309.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,275,743,331.50 : 2,146,755,023,858 = 512,308,380,766.33 : x
  2. Step 2: Convert to fraction form
    1,431,275,743,331.50/2,146,755,023,858 = 512,308,380,766.33/x
  3. Step 3: Cross multiply
    1,431,275,743,331.50x = 2,146,755,023,858 × 512,308,380,766.33
  4. Step 4: Simplify right side
    1,431,275,743,331.50x = 1,099,800,590,174,676,137,803,776
  5. Step 5: Solve for x
    x = 1,099,800,590,174,676,137,803,776/1,431,275,743,331.50
  6. Step 6: Final answer
    x = 768,405,805,309.56

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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.