Home / 419,904,342.30-629,856,513.45-402,898,230.30

Finding the Fourth Proportional to 419,904,342.30, 629,856,513.45 and 402,898,230.30

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Solution

The fourth proportional to 419,904,342.30, 629,856,513.45 and 402,898,230.30 is: 604,347,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,342.30 : 629,856,513.45 = 402,898,230.30 : x
  2. Step 2: Convert to fraction form
    419,904,342.30/629,856,513.45 = 402,898,230.30/x
  3. Step 3: Cross multiply
    419,904,342.30x = 629,856,513.45 × 402,898,230.30
  4. Step 4: Simplify right side
    419,904,342.30x = 253,768,074,611,933,184
  5. Step 5: Solve for x
    x = 253,768,074,611,933,184/419,904,342.30
  6. Step 6: Final answer
    x = 604,347,345.45

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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.