Home / 515,584,397,625.14-711,474,410,077.32-284,084,961,949.34

Finding the Fourth Proportional to 515,584,397,625.14, 711,474,410,077.32 and 284,084,961,949.34

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Solution

The fourth proportional to 515,584,397,625.14, 711,474,410,077.32 and 284,084,961,949.34 is: 392,019,583,303.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,584,397,625.14 : 711,474,410,077.32 = 284,084,961,949.34 : x
  2. Step 2: Convert to fraction form
    515,584,397,625.14/711,474,410,077.32 = 284,084,961,949.34/x
  3. Step 3: Cross multiply
    515,584,397,625.14x = 711,474,410,077.32 × 284,084,961,949.34
  4. Step 4: Simplify right side
    515,584,397,625.14x = 202,119,180,714,744,578,310,144
  5. Step 5: Solve for x
    x = 202,119,180,714,744,578,310,144/515,584,397,625.14
  6. Step 6: Final answer
    x = 392,019,583,303.41

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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.