Home / 419,904,101.90-629,856,152.85-311,064,985.10

Finding the Fourth Proportional to 419,904,101.90, 629,856,152.85 and 311,064,985.10

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Solution

The fourth proportional to 419,904,101.90, 629,856,152.85 and 311,064,985.10 is: 466,597,477.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,101.90 : 629,856,152.85 = 311,064,985.10 : x
  2. Step 2: Convert to fraction form
    419,904,101.90/629,856,152.85 = 311,064,985.10/x
  3. Step 3: Cross multiply
    419,904,101.90x = 629,856,152.85 × 311,064,985.10
  4. Step 4: Simplify right side
    419,904,101.90x = 195,926,194,801,428,608
  5. Step 5: Solve for x
    x = 195,926,194,801,428,608/419,904,101.90
  6. Step 6: Final answer
    x = 466,597,477.65

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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.