Home / 12,991,786,884.70-17,925,593,097.63-7,353,002,735.98

Finding the Fourth Proportional to 12,991,786,884.70, 17,925,593,097.63 and 7,353,002,735.98

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Solution

The fourth proportional to 12,991,786,884.70, 17,925,593,097.63 and 7,353,002,735.98 is: 10,145,404,651.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,991,786,884.70 : 17,925,593,097.63 = 7,353,002,735.98 : x
  2. Step 2: Convert to fraction form
    12,991,786,884.70/17,925,593,097.63 = 7,353,002,735.98/x
  3. Step 3: Cross multiply
    12,991,786,884.70x = 17,925,593,097.63 × 7,353,002,735.98
  4. Step 4: Simplify right side
    12,991,786,884.70x = 131,806,935,090,937,593,856
  5. Step 5: Solve for x
    x = 131,806,935,090,937,593,856/12,991,786,884.70
  6. Step 6: Final answer
    x = 10,145,404,651.47

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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.