Home / 398,603,204.80-597,904,807.20-333,979,979.20

Finding the Fourth Proportional to 398,603,204.80, 597,904,807.20 and 333,979,979.20

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Solution

The fourth proportional to 398,603,204.80, 597,904,807.20 and 333,979,979.20 is: 500,969,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,603,204.80 : 597,904,807.20 = 333,979,979.20 : x
  2. Step 2: Convert to fraction form
    398,603,204.80/597,904,807.20 = 333,979,979.20/x
  3. Step 3: Cross multiply
    398,603,204.80x = 597,904,807.20 × 333,979,979.20
  4. Step 4: Simplify right side
    398,603,204.80x = 199,688,235,072,236,032
  5. Step 5: Solve for x
    x = 199,688,235,072,236,032/398,603,204.80
  6. Step 6: Final answer
    x = 500,969,968.80

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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.