Home / 1,109,687,896.76-1,531,371,105.92-607,885,665.71

Finding the Fourth Proportional to 1,109,687,896.76, 1,531,371,105.92 and 607,885,665.71

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Solution

The fourth proportional to 1,109,687,896.76, 1,531,371,105.92 and 607,885,665.71 is: 838,883,209.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,687,896.76 : 1,531,371,105.92 = 607,885,665.71 : x
  2. Step 2: Convert to fraction form
    1,109,687,896.76/1,531,371,105.92 = 607,885,665.71/x
  3. Step 3: Cross multiply
    1,109,687,896.76x = 1,531,371,105.92 × 607,885,665.71
  4. Step 4: Simplify right side
    1,109,687,896.76x = 930,898,544,165,100,928
  5. Step 5: Solve for x
    x = 930,898,544,165,100,928/1,109,687,896.76
  6. Step 6: Final answer
    x = 838,883,209.31

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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.