Home / 13,296,862,767.11-18,349,534,569.67-7,356,457,784.39

Finding the Fourth Proportional to 13,296,862,767.11, 18,349,534,569.67 and 7,356,457,784.39

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Solution

The fourth proportional to 13,296,862,767.11, 18,349,534,569.67 and 7,356,457,784.39 is: 10,151,836,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296,862,767.11 : 18,349,534,569.67 = 7,356,457,784.39 : x
  2. Step 2: Convert to fraction form
    13,296,862,767.11/18,349,534,569.67 = 7,356,457,784.39/x
  3. Step 3: Cross multiply
    13,296,862,767.11x = 18,349,534,569.67 × 7,356,457,784.39
  4. Step 4: Simplify right side
    13,296,862,767.11x = 134,987,576,424,879,456,256
  5. Step 5: Solve for x
    x = 134,987,576,424,879,456,256/13,296,862,767.11
  6. Step 6: Final answer
    x = 10,151,836,473.70

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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.