Home / 14,171,880,768.60-21,257,821,152.90-8,914,441,243.80

Finding the Fourth Proportional to 14,171,880,768.60, 21,257,821,152.90 and 8,914,441,243.80

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Solution

The fourth proportional to 14,171,880,768.60, 21,257,821,152.90 and 8,914,441,243.80 is: 13,371,661,865.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171,880,768.60 : 21,257,821,152.90 = 8,914,441,243.80 : x
  2. Step 2: Convert to fraction form
    14,171,880,768.60/21,257,821,152.90 = 8,914,441,243.80/x
  3. Step 3: Cross multiply
    14,171,880,768.60x = 21,257,821,152.90 × 8,914,441,243.80
  4. Step 4: Simplify right side
    14,171,880,768.60x = 189,501,597,638,735,822,848
  5. Step 5: Solve for x
    x = 189,501,597,638,735,822,848/14,171,880,768.60
  6. Step 6: Final answer
    x = 13,371,661,865.70

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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.