Home / 13,669,287,847,811-18,863,631,190,758-7,419,154,156,636

Finding the Fourth Proportional to 13,669,287,847,811, 18,863,631,190,758 and 7,419,154,156,636

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Solution

The fourth proportional to 13,669,287,847,811, 18,863,631,190,758 and 7,419,154,156,636 is: 10,238,440,313,521.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669,287,847,811 : 18,863,631,190,758 = 7,419,154,156,636 : x
  2. Step 2: Convert to fraction form
    13,669,287,847,811/18,863,631,190,758 = 7,419,154,156,636/x
  3. Step 3: Cross multiply
    13,669,287,847,811x = 18,863,631,190,758 × 7,419,154,156,636
  4. Step 4: Simplify right side
    13,669,287,847,811x = 139,952,187,758,160,711,371,456,512
  5. Step 5: Solve for x
    x = 139,952,187,758,160,711,371,456,512/13,669,287,847,811
  6. Step 6: Final answer
    x = 10,238,440,313,521.72

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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.