Home / 1,976,856,214.77-2,965,456,662.84-648,485,974.17

Finding the Fourth Proportional to 1,976,856,214.77, 2,965,456,662.84 and 648,485,974.17

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Solution

The fourth proportional to 1,976,856,214.77, 2,965,456,662.84 and 648,485,974.17 is: 972,785,495.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,856,214.77 : 2,965,456,662.84 = 648,485,974.17 : x
  2. Step 2: Convert to fraction form
    1,976,856,214.77/2,965,456,662.84 = 648,485,974.17/x
  3. Step 3: Cross multiply
    1,976,856,214.77x = 2,965,456,662.84 × 648,485,974.17
  4. Step 4: Simplify right side
    1,976,856,214.77x = 1,923,057,052,860,714,496
  5. Step 5: Solve for x
    x = 1,923,057,052,860,714,496/1,976,856,214.77
  6. Step 6: Final answer
    x = 972,785,495.72

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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.