Home / 515,584,397,114.19-711,474,409,371.46-284,084,961,439.32

Finding the Fourth Proportional to 515,584,397,114.19, 711,474,409,371.46 and 284,084,961,439.32

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Solution

The fourth proportional to 515,584,397,114.19, 711,474,409,371.46 and 284,084,961,439.32 is: 392,019,582,599.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,584,397,114.19 : 711,474,409,371.46 = 284,084,961,439.32 : x
  2. Step 2: Convert to fraction form
    515,584,397,114.19/711,474,409,371.46 = 284,084,961,439.32/x
  3. Step 3: Cross multiply
    515,584,397,114.19x = 711,474,409,371.46 × 284,084,961,439.32
  4. Step 4: Simplify right side
    515,584,397,114.19x = 202,119,180,151,354,189,414,400
  5. Step 5: Solve for x
    x = 202,119,180,151,354,189,414,400/515,584,397,114.19
  6. Step 6: Final answer
    x = 392,019,582,599.18

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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.