Home / 13,704,599,123.07-18,918,543,697.47-8,631,418,828.88

Finding the Fourth Proportional to 13,704,599,123.07, 18,918,543,697.47 and 8,631,418,828.88

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Solution

The fourth proportional to 13,704,599,123.07, 18,918,543,697.47 and 8,631,418,828.88 is: 11,915,260,914.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,704,599,123.07 : 18,918,543,697.47 = 8,631,418,828.88 : x
  2. Step 2: Convert to fraction form
    13,704,599,123.07/18,918,543,697.47 = 8,631,418,828.88/x
  3. Step 3: Cross multiply
    13,704,599,123.07x = 18,918,543,697.47 × 8,631,418,828.88
  4. Step 4: Simplify right side
    13,704,599,123.07x = 163,293,874,285,377,028,096
  5. Step 5: Solve for x
    x = 163,293,874,285,377,028,096/13,704,599,123.07
  6. Step 6: Final answer
    x = 11,915,260,914.90

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