Home / 775,947,359.62-1,164,435,099.97-426,437,504.86

Finding the Fourth Proportional to 775,947,359.62, 1,164,435,099.97 and 426,437,504.86

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Solution

The fourth proportional to 775,947,359.62, 1,164,435,099.97 and 426,437,504.86 is: 639,938,769.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,947,359.62 : 1,164,435,099.97 = 426,437,504.86 : x
  2. Step 2: Convert to fraction form
    775,947,359.62/1,164,435,099.97 = 426,437,504.86/x
  3. Step 3: Cross multiply
    775,947,359.62x = 1,164,435,099.97 × 426,437,504.86
  4. Step 4: Simplify right side
    775,947,359.62x = 496,558,798,602,611,520
  5. Step 5: Solve for x
    x = 496,558,798,602,611,520/775,947,359.62
  6. Step 6: Final answer
    x = 639,938,769.62

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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.