Home / 13,296,862,769.39-18,349,534,572.81-7,356,457,786.67

Finding the Fourth Proportional to 13,296,862,769.39, 18,349,534,572.81 and 7,356,457,786.67

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Solution

The fourth proportional to 13,296,862,769.39, 18,349,534,572.81 and 7,356,457,786.67 is: 10,151,836,476.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296,862,769.39 : 18,349,534,572.81 = 7,356,457,786.67 : x
  2. Step 2: Convert to fraction form
    13,296,862,769.39/18,349,534,572.81 = 7,356,457,786.67/x
  3. Step 3: Cross multiply
    13,296,862,769.39x = 18,349,534,572.81 × 7,356,457,786.67
  4. Step 4: Simplify right side
    13,296,862,769.39x = 134,987,576,489,918,513,152
  5. Step 5: Solve for x
    x = 134,987,576,489,918,513,152/13,296,862,769.39
  6. Step 6: Final answer
    x = 10,151,836,476.85

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1.5x scale

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.