Home / 378,076,822.80-566,891,285.40-196,678,294.80

Finding the Fourth Proportional to 378,076,822.80, 566,891,285.40 and 196,678,294.80

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Solution

The fourth proportional to 378,076,822.80, 566,891,285.40 and 196,678,294.80 is: 294,900,942.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,076,822.80 : 566,891,285.40 = 196,678,294.80 : x
  2. Step 2: Convert to fraction form
    378,076,822.80/566,891,285.40 = 196,678,294.80/x
  3. Step 3: Cross multiply
    378,076,822.80x = 566,891,285.40 × 196,678,294.80
  4. Step 4: Simplify right side
    378,076,822.80x = 111,495,211,349,452,144
  5. Step 5: Solve for x
    x = 111,495,211,349,452,144/378,076,822.80
  6. Step 6: Final answer
    x = 294,900,942.42

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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.