Home / 278,270,293.40-384,162,092.48-214,551,465.42

Finding the Fourth Proportional to 278,270,293.40, 384,162,092.48 and 214,551,465.42

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Solution

The fourth proportional to 278,270,293.40, 384,162,092.48 and 214,551,465.42 is: 296,195,971.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,270,293.40 : 384,162,092.48 = 214,551,465.42 : x
  2. Step 2: Convert to fraction form
    278,270,293.40/384,162,092.48 = 214,551,465.42/x
  3. Step 3: Cross multiply
    278,270,293.40x = 384,162,092.48 × 214,551,465.42
  4. Step 4: Simplify right side
    278,270,293.40x = 82,422,539,902,374,560
  5. Step 5: Solve for x
    x = 82,422,539,902,374,560/278,270,293.40
  6. Step 6: Final answer
    x = 296,195,971.54

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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.