Home / 378,077,170.80-566,891,807.40-196,678,642.80

Finding the Fourth Proportional to 378,077,170.80, 566,891,807.40 and 196,678,642.80

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Solution

The fourth proportional to 378,077,170.80, 566,891,807.40 and 196,678,642.80 is: 294,901,464.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,077,170.80 : 566,891,807.40 = 196,678,642.80 : x
  2. Step 2: Convert to fraction form
    378,077,170.80/566,891,807.40 = 196,678,642.80/x
  3. Step 3: Cross multiply
    378,077,170.80x = 566,891,807.40 × 196,678,642.80
  4. Step 4: Simplify right side
    378,077,170.80x = 111,495,511,293,870,992
  5. Step 5: Solve for x
    x = 111,495,511,293,870,992/378,077,170.80
  6. Step 6: Final answer
    x = 294,901,464.32

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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.