Home / 441,479,717,028.72-609,355,364,952.90-287,539,002,939.96

Finding the Fourth Proportional to 441,479,717,028.72, 609,355,364,952.90 and 287,539,002,939.96

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Solution

The fourth proportional to 441,479,717,028.72, 609,355,364,952.90 and 287,539,002,939.96 is: 396,877,653,301.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,479,717,028.72 : 609,355,364,952.90 = 287,539,002,939.96 : x
  2. Step 2: Convert to fraction form
    441,479,717,028.72/609,355,364,952.90 = 287,539,002,939.96/x
  3. Step 3: Cross multiply
    441,479,717,028.72x = 609,355,364,952.90 × 287,539,002,939.96
  4. Step 4: Simplify right side
    441,479,717,028.72x = 175,213,434,074,672,333,324,288
  5. Step 5: Solve for x
    x = 175,213,434,074,672,333,324,288/441,479,717,028.72
  6. Step 6: Final answer
    x = 396,877,653,301.74

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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.