Home / 515,584,397,569.92-711,474,410,001.38-284,084,961,894.26

Finding the Fourth Proportional to 515,584,397,569.92, 711,474,410,001.38 and 284,084,961,894.26

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Solution

The fourth proportional to 515,584,397,569.92, 711,474,410,001.38 and 284,084,961,894.26 is: 392,019,583,227.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,584,397,569.92 : 711,474,410,001.38 = 284,084,961,894.26 : x
  2. Step 2: Convert to fraction form
    515,584,397,569.92/711,474,410,001.38 = 284,084,961,894.26/x
  3. Step 3: Cross multiply
    515,584,397,569.92x = 711,474,410,001.38 × 284,084,961,894.26
  4. Step 4: Simplify right side
    515,584,397,569.92x = 202,119,180,653,983,172,657,152
  5. Step 5: Solve for x
    x = 202,119,180,653,983,172,657,152/515,584,397,569.92
  6. Step 6: Final answer
    x = 392,019,583,227.54

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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.