Home / 641,089,263.92-961,388,764.62-349,800,694.56

Finding the Fourth Proportional to 641,089,263.92, 961,388,764.62 and 349,800,694.56

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Solution

The fourth proportional to 641,089,263.92, 961,388,764.62 and 349,800,694.56 is: 524,567,289.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,089,263.92 : 961,388,764.62 = 349,800,694.56 : x
  2. Step 2: Convert to fraction form
    641,089,263.92/961,388,764.62 = 349,800,694.56/x
  3. Step 3: Cross multiply
    641,089,263.92x = 961,388,764.62 × 349,800,694.56
  4. Step 4: Simplify right side
    641,089,263.92x = 336,294,457,606,256,384
  5. Step 5: Solve for x
    x = 336,294,457,606,256,384/641,089,263.92
  6. Step 6: Final answer
    x = 524,567,289.66

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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.