Home / 1,478,969,755,578.10-2,216,906,279,807-618,936,676,745.20

Finding the Fourth Proportional to 1,478,969,755,578.10, 2,216,906,279,807 and 618,936,676,745.20

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Solution

The fourth proportional to 1,478,969,755,578.10, 2,216,906,279,807 and 618,936,676,745.20 is: 927,757,041,889.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,969,755,578.10 : 2,216,906,279,807 = 618,936,676,745.20 : x
  2. Step 2: Convert to fraction form
    1,478,969,755,578.10/2,216,906,279,807 = 618,936,676,745.20/x
  3. Step 3: Cross multiply
    1,478,969,755,578.10x = 2,216,906,279,807 × 618,936,676,745.20
  4. Step 4: Simplify right side
    1,478,969,755,578.10x = 1,372,124,605,479,308,970,950,656
  5. Step 5: Solve for x
    x = 1,372,124,605,479,308,970,950,656/1,478,969,755,578.10
  6. Step 6: Final answer
    x = 927,757,041,889.59

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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.