Home / 522,089,274.56-782,428,451.52-198,796,786.88

Finding the Fourth Proportional to 522,089,274.56, 782,428,451.52 and 198,796,786.88

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Solution

The fourth proportional to 522,089,274.56, 782,428,451.52 and 198,796,786.88 is: 297,926,561.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,089,274.56 : 782,428,451.52 = 198,796,786.88 : x
  2. Step 2: Convert to fraction form
    522,089,274.56/782,428,451.52 = 198,796,786.88/x
  3. Step 3: Cross multiply
    522,089,274.56x = 782,428,451.52 × 198,796,786.88
  4. Step 4: Simplify right side
    522,089,274.56x = 155,544,262,125,669,856
  5. Step 5: Solve for x
    x = 155,544,262,125,669,856/522,089,274.56
  6. Step 6: Final answer
    x = 297,926,561.04

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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.