Home / 515,584,397,116.44-711,474,409,374.57-284,084,961,441.57

Finding the Fourth Proportional to 515,584,397,116.44, 711,474,409,374.57 and 284,084,961,441.57

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Solution

The fourth proportional to 515,584,397,116.44, 711,474,409,374.57 and 284,084,961,441.57 is: 392,019,582,602.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,584,397,116.44 : 711,474,409,374.57 = 284,084,961,441.57 : x
  2. Step 2: Convert to fraction form
    515,584,397,116.44/711,474,409,374.57 = 284,084,961,441.57/x
  3. Step 3: Cross multiply
    515,584,397,116.44x = 711,474,409,374.57 × 284,084,961,441.57
  4. Step 4: Simplify right side
    515,584,397,116.44x = 202,119,180,153,838,492,450,816
  5. Step 5: Solve for x
    x = 202,119,180,153,838,492,450,816/515,584,397,116.44
  6. Step 6: Final answer
    x = 392,019,582,602.29

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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.