Home / 798,808,004.80-1,198,212,007.20-768,197,003.20

Finding the Fourth Proportional to 798,808,004.80, 1,198,212,007.20 and 768,197,003.20

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Solution

The fourth proportional to 798,808,004.80, 1,198,212,007.20 and 768,197,003.20 is: 1,152,295,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,808,004.80 : 1,198,212,007.20 = 768,197,003.20 : x
  2. Step 2: Convert to fraction form
    798,808,004.80/1,198,212,007.20 = 768,197,003.20/x
  3. Step 3: Cross multiply
    798,808,004.80x = 1,198,212,007.20 × 768,197,003.20
  4. Step 4: Simplify right side
    798,808,004.80x = 920,462,873,129,296,896
  5. Step 5: Solve for x
    x = 920,462,873,129,296,896/798,808,004.80
  6. Step 6: Final answer
    x = 1,152,295,504.80

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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.