Home / 515,450,447.04-711,321,732.72-283,663,439.04

Finding the Fourth Proportional to 515,450,447.04, 711,321,732.72 and 283,663,439.04

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Solution

The fourth proportional to 515,450,447.04, 711,321,732.72 and 283,663,439.04 is: 391,455,609.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,450,447.04 : 711,321,732.72 = 283,663,439.04 : x
  2. Step 2: Convert to fraction form
    515,450,447.04/711,321,732.72 = 283,663,439.04/x
  3. Step 3: Cross multiply
    515,450,447.04x = 711,321,732.72 × 283,663,439.04
  4. Step 4: Simplify right side
    515,450,447.04x = 201,775,968,967,246,912
  5. Step 5: Solve for x
    x = 201,775,968,967,246,912/515,450,447.04
  6. Step 6: Final answer
    x = 391,455,609.61

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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.