Home / 788,632,576.52-1,182,915,973.98-206,353,930.46

Finding the Fourth Proportional to 788,632,576.52, 1,182,915,973.98 and 206,353,930.46

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Solution

The fourth proportional to 788,632,576.52, 1,182,915,973.98 and 206,353,930.46 is: 309,522,289.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,632,576.52 : 1,182,915,973.98 = 206,353,930.46 : x
  2. Step 2: Convert to fraction form
    788,632,576.52/1,182,915,973.98 = 206,353,930.46/x
  3. Step 3: Cross multiply
    788,632,576.52x = 1,182,915,973.98 × 206,353,930.46
  4. Step 4: Simplify right side
    788,632,576.52x = 244,099,360,628,777,536
  5. Step 5: Solve for x
    x = 244,099,360,628,777,536/788,632,576.52
  6. Step 6: Final answer
    x = 309,522,289.46

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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.