Home / 429,529,995.27-644,177,404.74-118,563,272.84

Finding the Fourth Proportional to 429,529,995.27, 644,177,404.74 and 118,563,272.84

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Solution

The fourth proportional to 429,529,995.27, 644,177,404.74 and 118,563,272.84 is: 177,812,451.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,529,995.27 : 644,177,404.74 = 118,563,272.84 : x
  2. Step 2: Convert to fraction form
    429,529,995.27/644,177,404.74 = 118,563,272.84/x
  3. Step 3: Cross multiply
    429,529,995.27x = 644,177,404.74 × 118,563,272.84
  4. Step 4: Simplify right side
    429,529,995.27x = 76,375,781,392,330,832
  5. Step 5: Solve for x
    x = 76,375,781,392,330,832/429,529,995.27
  6. Step 6: Final answer
    x = 177,812,451.36

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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.