Home / 1,976,856,213.77-2,965,456,661.34-648,485,973.17

Finding the Fourth Proportional to 1,976,856,213.77, 2,965,456,661.34 and 648,485,973.17

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Solution

The fourth proportional to 1,976,856,213.77, 2,965,456,661.34 and 648,485,973.17 is: 972,785,494.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,856,213.77 : 2,965,456,661.34 = 648,485,973.17 : x
  2. Step 2: Convert to fraction form
    1,976,856,213.77/2,965,456,661.34 = 648,485,973.17/x
  3. Step 3: Cross multiply
    1,976,856,213.77x = 2,965,456,661.34 × 648,485,973.17
  4. Step 4: Simplify right side
    1,976,856,213.77x = 1,923,057,048,922,529,024
  5. Step 5: Solve for x
    x = 1,923,057,048,922,529,024/1,976,856,213.77
  6. Step 6: Final answer
    x = 972,785,494.22

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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.