Home / 13,669,287,848,276-18,863,631,191,396-7,419,154,157,103

Finding the Fourth Proportional to 13,669,287,848,276, 18,863,631,191,396 and 7,419,154,157,103

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Solution

The fourth proportional to 13,669,287,848,276, 18,863,631,191,396 and 7,419,154,157,103 is: 10,238,440,314,164.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669,287,848,276 : 18,863,631,191,396 = 7,419,154,157,103 : x
  2. Step 2: Convert to fraction form
    13,669,287,848,276/18,863,631,191,396 = 7,419,154,157,103/x
  3. Step 3: Cross multiply
    13,669,287,848,276x = 18,863,631,191,396 × 7,419,154,157,103
  4. Step 4: Simplify right side
    13,669,287,848,276x = 139,952,187,771,703,447,630,381,056
  5. Step 5: Solve for x
    x = 139,952,187,771,703,447,630,381,056/13,669,287,848,276
  6. Step 6: Final answer
    x = 10,238,440,314,164.17

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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.