Home / 1,380,295,031.46-1,904,970,596.49-777,485,495.22

Finding the Fourth Proportional to 1,380,295,031.46, 1,904,970,596.49 and 777,485,495.22

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Solution

The fourth proportional to 1,380,295,031.46, 1,904,970,596.49 and 777,485,495.22 is: 1,073,022,052.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,295,031.46 : 1,904,970,596.49 = 777,485,495.22 : x
  2. Step 2: Convert to fraction form
    1,380,295,031.46/1,904,970,596.49 = 777,485,495.22/x
  3. Step 3: Cross multiply
    1,380,295,031.46x = 1,904,970,596.49 × 777,485,495.22
  4. Step 4: Simplify right side
    1,380,295,031.46x = 1,481,087,007,591,566,592
  5. Step 5: Solve for x
    x = 1,481,087,007,591,566,592/1,380,295,031.46
  6. Step 6: Final answer
    x = 1,073,022,052.41

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Double scale
Find fourth proportional to 1,380,295,032.46, 1,904,970,597.87 and 777,485,496.22
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1.5x scale

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.