Home / 310,682,856.33-428,903,538.62-226,956,973.05

Finding the Fourth Proportional to 310,682,856.33, 428,903,538.62 and 226,956,973.05

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Solution

The fourth proportional to 310,682,856.33, 428,903,538.62 and 226,956,973.05 is: 313,318,378.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,682,856.33 : 428,903,538.62 = 226,956,973.05 : x
  2. Step 2: Convert to fraction form
    310,682,856.33/428,903,538.62 = 226,956,973.05/x
  3. Step 3: Cross multiply
    310,682,856.33x = 428,903,538.62 × 226,956,973.05
  4. Step 4: Simplify right side
    310,682,856.33x = 97,342,648,854,494,192
  5. Step 5: Solve for x
    x = 97,342,648,854,494,192/310,682,856.33
  6. Step 6: Final answer
    x = 313,318,378.76

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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.