Home / 13,316,263,554.29-18,376,297,408.64-7,212,464,259.64

Finding the Fourth Proportional to 13,316,263,554.29, 18,376,297,408.64 and 7,212,464,259.64

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Solution

The fourth proportional to 13,316,263,554.29, 18,376,297,408.64 and 7,212,464,259.64 is: 9,953,121,440.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316,263,554.29 : 18,376,297,408.64 = 7,212,464,259.64 : x
  2. Step 2: Convert to fraction form
    13,316,263,554.29/18,376,297,408.64 = 7,212,464,259.64/x
  3. Step 3: Cross multiply
    13,316,263,554.29x = 18,376,297,408.64 × 7,212,464,259.64
  4. Step 4: Simplify right side
    13,316,263,554.29x = 132,538,388,284,299,624,448
  5. Step 5: Solve for x
    x = 132,538,388,284,299,624,448/13,316,263,554.29
  6. Step 6: Final answer
    x = 9,953,121,440.11

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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.