Home / 445,464,638.32-614,815,084.92-259,825,648.72

Finding the Fourth Proportional to 445,464,638.32, 614,815,084.92 and 259,825,648.72

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Solution

The fourth proportional to 445,464,638.32, 614,815,084.92 and 259,825,648.72 is: 358,602,489.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,464,638.32 : 614,815,084.92 = 259,825,648.72 : x
  2. Step 2: Convert to fraction form
    445,464,638.32/614,815,084.92 = 259,825,648.72/x
  3. Step 3: Cross multiply
    445,464,638.32x = 614,815,084.92 × 259,825,648.72
  4. Step 4: Simplify right side
    445,464,638.32x = 159,744,728,282,180,864
  5. Step 5: Solve for x
    x = 159,744,728,282,180,864/445,464,638.32
  6. Step 6: Final answer
    x = 358,602,489.49

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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.