Home / 378,076,576.20-567,540,017.10-292,195,710.60

Finding the Fourth Proportional to 378,076,576.20, 567,540,017.10 and 292,195,710.60

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Solution

The fourth proportional to 378,076,576.20, 567,540,017.10 and 292,195,710.60 is: 438,622,144.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,076,576.20 : 567,540,017.10 = 292,195,710.60 : x
  2. Step 2: Convert to fraction form
    378,076,576.20/567,540,017.10 = 292,195,710.60/x
  3. Step 3: Cross multiply
    378,076,576.20x = 567,540,017.10 × 292,195,710.60
  4. Step 4: Simplify right side
    378,076,576.20x = 165,832,758,590,470,656
  5. Step 5: Solve for x
    x = 165,832,758,590,470,656/378,076,576.20
  6. Step 6: Final answer
    x = 438,622,144.37

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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.