Home / 641,089,258.92-961,388,757.12-349,800,689.55

Finding the Fourth Proportional to 641,089,258.92, 961,388,757.12 and 349,800,689.55

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Solution

The fourth proportional to 641,089,258.92, 961,388,757.12 and 349,800,689.55 is: 524,567,282.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,089,258.92 : 961,388,757.12 = 349,800,689.55 : x
  2. Step 2: Convert to fraction form
    641,089,258.92/961,388,757.12 = 349,800,689.55/x
  3. Step 3: Cross multiply
    641,089,258.92x = 961,388,757.12 × 349,800,689.55
  4. Step 4: Simplify right side
    641,089,258.92x = 336,294,450,166,193,472
  5. Step 5: Solve for x
    x = 336,294,450,166,193,472/641,089,258.92
  6. Step 6: Final answer
    x = 524,567,282.15

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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.