Home / 441,479,716,913.58-609,355,364,793.75-287,539,002,824.58

Finding the Fourth Proportional to 441,479,716,913.58, 609,355,364,793.75 and 287,539,002,824.58

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Solution

The fourth proportional to 441,479,716,913.58, 609,355,364,793.75 and 287,539,002,824.58 is: 396,877,653,142.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,479,716,913.58 : 609,355,364,793.75 = 287,539,002,824.58 : x
  2. Step 2: Convert to fraction form
    441,479,716,913.58/609,355,364,793.75 = 287,539,002,824.58/x
  3. Step 3: Cross multiply
    441,479,716,913.58x = 609,355,364,793.75 × 287,539,002,824.58
  4. Step 4: Simplify right side
    441,479,716,913.58x = 175,213,433,958,603,056,742,400
  5. Step 5: Solve for x
    x = 175,213,433,958,603,056,742,400/441,479,716,913.58
  6. Step 6: Final answer
    x = 396,877,653,142.33

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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.