Home / 515,584,397,627.16-711,474,410,080.08-284,084,961,951.32

Finding the Fourth Proportional to 515,584,397,627.16, 711,474,410,080.08 and 284,084,961,951.32

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Solution

The fourth proportional to 515,584,397,627.16, 711,474,410,080.08 and 284,084,961,951.32 is: 392,019,583,306.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,584,397,627.16 : 711,474,410,080.08 = 284,084,961,951.32 : x
  2. Step 2: Convert to fraction form
    515,584,397,627.16/711,474,410,080.08 = 284,084,961,951.32/x
  3. Step 3: Cross multiply
    515,584,397,627.16x = 711,474,410,080.08 × 284,084,961,951.32
  4. Step 4: Simplify right side
    515,584,397,627.16x = 202,119,180,716,937,360,441,344
  5. Step 5: Solve for x
    x = 202,119,180,716,937,360,441,344/515,584,397,627.16
  6. Step 6: Final answer
    x = 392,019,583,306.12

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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.