Home / 672,759,176.40-1,009,327,721.40-327,724,059.60

Finding the Fourth Proportional to 672,759,176.40, 1,009,327,721.40 and 327,724,059.60

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Solution

The fourth proportional to 672,759,176.40, 1,009,327,721.40 and 327,724,059.60 is: 491,678,136.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,759,176.40 : 1,009,327,721.40 = 327,724,059.60 : x
  2. Step 2: Convert to fraction form
    672,759,176.40/1,009,327,721.40 = 327,724,059.60/x
  3. Step 3: Cross multiply
    672,759,176.40x = 1,009,327,721.40 × 327,724,059.60
  4. Step 4: Simplify right side
    672,759,176.40x = 330,780,978,324,025,792
  5. Step 5: Solve for x
    x = 330,780,978,324,025,792/672,759,176.40
  6. Step 6: Final answer
    x = 491,678,136.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.