Home / 13,348,914,121.56-18,421,515,120.96-7,245,267,938.46

Finding the Fourth Proportional to 13,348,914,121.56, 18,421,515,120.96 and 7,245,267,938.46

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Solution

The fourth proportional to 13,348,914,121.56, 18,421,515,120.96 and 7,245,267,938.46 is: 9,998,477,154.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348,914,121.56 : 18,421,515,120.96 = 7,245,267,938.46 : x
  2. Step 2: Convert to fraction form
    13,348,914,121.56/18,421,515,120.96 = 7,245,267,938.46/x
  3. Step 3: Cross multiply
    13,348,914,121.56x = 18,421,515,120.96 × 7,245,267,938.46
  4. Step 4: Simplify right side
    13,348,914,121.56x = 133,468,812,883,796,951,040
  5. Step 5: Solve for x
    x = 133,468,812,883,796,951,040/13,348,914,121.56
  6. Step 6: Final answer
    x = 9,998,477,154.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.