Home / 1,380,295,034.46-1,904,970,600.63-777,485,498.22

Finding the Fourth Proportional to 1,380,295,034.46, 1,904,970,600.63 and 777,485,498.22

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Solution

The fourth proportional to 1,380,295,034.46, 1,904,970,600.63 and 777,485,498.22 is: 1,073,022,056.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,295,034.46 : 1,904,970,600.63 = 777,485,498.22 : x
  2. Step 2: Convert to fraction form
    1,380,295,034.46/1,904,970,600.63 = 777,485,498.22/x
  3. Step 3: Cross multiply
    1,380,295,034.46x = 1,904,970,600.63 × 777,485,498.22
  4. Step 4: Simplify right side
    1,380,295,034.46x = 1,481,087,016,525,268,224
  5. Step 5: Solve for x
    x = 1,481,087,016,525,268,224/1,380,295,034.46
  6. Step 6: Final answer
    x = 1,073,022,056.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.