Home / 259,921,046.40-389,881,569.60-252,362,774.40

Finding the Fourth Proportional to 259,921,046.40, 389,881,569.60 and 252,362,774.40

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Solution

The fourth proportional to 259,921,046.40, 389,881,569.60 and 252,362,774.40 is: 378,544,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,921,046.40 : 389,881,569.60 = 252,362,774.40 : x
  2. Step 2: Convert to fraction form
    259,921,046.40/389,881,569.60 = 252,362,774.40/x
  3. Step 3: Cross multiply
    259,921,046.40x = 389,881,569.60 × 252,362,774.40
  4. Step 4: Simplify right side
    259,921,046.40x = 98,391,594,591,682,704
  5. Step 5: Solve for x
    x = 98,391,594,591,682,704/259,921,046.40
  6. Step 6: Final answer
    x = 378,544,161.60

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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.