Home / 641,609,941.40-962,414,912.10-232,679,432.60

Finding the Fourth Proportional to 641,609,941.40, 962,414,912.10 and 232,679,432.60

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Solution

The fourth proportional to 641,609,941.40, 962,414,912.10 and 232,679,432.60 is: 349,019,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,609,941.40 : 962,414,912.10 = 232,679,432.60 : x
  2. Step 2: Convert to fraction form
    641,609,941.40/962,414,912.10 = 232,679,432.60/x
  3. Step 3: Cross multiply
    641,609,941.40x = 962,414,912.10 × 232,679,432.60
  4. Step 4: Simplify right side
    641,609,941.40x = 223,934,155,673,206,880
  5. Step 5: Solve for x
    x = 223,934,155,673,206,880/641,609,941.40
  6. Step 6: Final answer
    x = 349,019,148.90

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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.