Home / 13,296,862,768.39-18,349,534,571.43-7,356,457,785.67

Finding the Fourth Proportional to 13,296,862,768.39, 18,349,534,571.43 and 7,356,457,785.67

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Solution

The fourth proportional to 13,296,862,768.39, 18,349,534,571.43 and 7,356,457,785.67 is: 10,151,836,475.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296,862,768.39 : 18,349,534,571.43 = 7,356,457,785.67 : x
  2. Step 2: Convert to fraction form
    13,296,862,768.39/18,349,534,571.43 = 7,356,457,785.67/x
  3. Step 3: Cross multiply
    13,296,862,768.39x = 18,349,534,571.43 × 7,356,457,785.67
  4. Step 4: Simplify right side
    13,296,862,768.39x = 134,987,576,461,393,231,872
  5. Step 5: Solve for x
    x = 134,987,576,461,393,231,872/13,296,862,768.39
  6. Step 6: Final answer
    x = 10,151,836,475.47

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Double scale
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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.