Home / 441,479,717,019.75-609,355,364,940.45-287,539,002,930.97

Finding the Fourth Proportional to 441,479,717,019.75, 609,355,364,940.45 and 287,539,002,930.97

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Solution

The fourth proportional to 441,479,717,019.75, 609,355,364,940.45 and 287,539,002,930.97 is: 396,877,653,289.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,479,717,019.75 : 609,355,364,940.45 = 287,539,002,930.97 : x
  2. Step 2: Convert to fraction form
    441,479,717,019.75/609,355,364,940.45 = 287,539,002,930.97/x
  3. Step 3: Cross multiply
    441,479,717,019.75x = 609,355,364,940.45 × 287,539,002,930.97
  4. Step 4: Simplify right side
    441,479,717,019.75x = 175,213,434,065,614,314,405,888
  5. Step 5: Solve for x
    x = 175,213,434,065,614,314,405,888/441,479,717,019.75
  6. Step 6: Final answer
    x = 396,877,653,289.28

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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.