Home / 419,904,078.90-629,856,118.35-204,913,230.90

Finding the Fourth Proportional to 419,904,078.90, 629,856,118.35 and 204,913,230.90

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Solution

The fourth proportional to 419,904,078.90, 629,856,118.35 and 204,913,230.90 is: 307,369,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,078.90 : 629,856,118.35 = 204,913,230.90 : x
  2. Step 2: Convert to fraction form
    419,904,078.90/629,856,118.35 = 204,913,230.90/x
  3. Step 3: Cross multiply
    419,904,078.90x = 629,856,118.35 × 204,913,230.90
  4. Step 4: Simplify right side
    419,904,078.90x = 129,065,852,213,231,280
  5. Step 5: Solve for x
    x = 129,065,852,213,231,280/419,904,078.90
  6. Step 6: Final answer
    x = 307,369,846.35

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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.