Home / 515,474,670.32-711,504,942.32-336,885,424.44

Finding the Fourth Proportional to 515,474,670.32, 711,504,942.32 and 336,885,424.44

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Solution

The fourth proportional to 515,474,670.32, 711,504,942.32 and 336,885,424.44 is: 464,999,850.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,474,670.32 : 711,504,942.32 = 336,885,424.44 : x
  2. Step 2: Convert to fraction form
    515,474,670.32/711,504,942.32 = 336,885,424.44/x
  3. Step 3: Cross multiply
    515,474,670.32x = 711,504,942.32 × 336,885,424.44
  4. Step 4: Simplify right side
    515,474,670.32x = 239,695,644,482,946,496
  5. Step 5: Solve for x
    x = 239,695,644,482,946,496/515,474,670.32
  6. Step 6: Final answer
    x = 464,999,850.21

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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.