Home / 515,584,397,594.76-711,474,410,035.44-284,084,961,918.77

Finding the Fourth Proportional to 515,584,397,594.76, 711,474,410,035.44 and 284,084,961,918.77

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Solution

The fourth proportional to 515,584,397,594.76, 711,474,410,035.44 and 284,084,961,918.77 is: 392,019,583,261.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,584,397,594.76 : 711,474,410,035.44 = 284,084,961,918.77 : x
  2. Step 2: Convert to fraction form
    515,584,397,594.76/711,474,410,035.44 = 284,084,961,918.77/x
  3. Step 3: Cross multiply
    515,584,397,594.76x = 711,474,410,035.44 × 284,084,961,918.77
  4. Step 4: Simplify right side
    515,584,397,594.76x = 202,119,180,681,097,334,751,232
  5. Step 5: Solve for x
    x = 202,119,180,681,097,334,751,232/515,584,397,594.76
  6. Step 6: Final answer
    x = 392,019,583,261.24

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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.