Home / 1,208,362,122,109.70-1,667,546,501,644.70-687,517,527,845.06

Finding the Fourth Proportional to 1,208,362,122,109.70, 1,667,546,501,644.70 and 687,517,527,845.06

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Solution

The fourth proportional to 1,208,362,122,109.70, 1,667,546,501,644.70 and 687,517,527,845.06 is: 948,778,042,111.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,362,122,109.70 : 1,667,546,501,644.70 = 687,517,527,845.06 : x
  2. Step 2: Convert to fraction form
    1,208,362,122,109.70/1,667,546,501,644.70 = 687,517,527,845.06/x
  3. Step 3: Cross multiply
    1,208,362,122,109.70x = 1,667,546,501,644.70 × 687,517,527,845.06
  4. Step 4: Simplify right side
    1,208,362,122,109.70x = 1,146,467,448,377,442,547,269,632
  5. Step 5: Solve for x
    x = 1,146,467,448,377,442,547,269,632/1,208,362,122,109.70
  6. Step 6: Final answer
    x = 948,778,042,111.92

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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.