Home / 1,231,589,101-1,699,579,419.54-667,059,939.16

Finding the Fourth Proportional to 1,231,589,101, 1,699,579,419.54 and 667,059,939.16

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Solution

The fourth proportional to 1,231,589,101, 1,699,579,419.54 and 667,059,939.16 is: 920,535,382.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,589,101 : 1,699,579,419.54 = 667,059,939.16 : x
  2. Step 2: Convert to fraction form
    1,231,589,101/1,699,579,419.54 = 667,059,939.16/x
  3. Step 3: Cross multiply
    1,231,589,101x = 1,699,579,419.54 × 667,059,939.16
  4. Step 4: Simplify right side
    1,231,589,101x = 1,133,721,344,195,940,480
  5. Step 5: Solve for x
    x = 1,133,721,344,195,940,480/1,231,589,101
  6. Step 6: Final answer
    x = 920,535,382.52

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Double scale
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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.