Home / 441,479,717,021.86-609,355,364,943.38-287,539,002,933.10

Finding the Fourth Proportional to 441,479,717,021.86, 609,355,364,943.38 and 287,539,002,933.10

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Solution

The fourth proportional to 441,479,717,021.86, 609,355,364,943.38 and 287,539,002,933.10 is: 396,877,653,292.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,479,717,021.86 : 609,355,364,943.38 = 287,539,002,933.10 : x
  2. Step 2: Convert to fraction form
    441,479,717,021.86/609,355,364,943.38 = 287,539,002,933.10/x
  3. Step 3: Cross multiply
    441,479,717,021.86x = 609,355,364,943.38 × 287,539,002,933.10
  4. Step 4: Simplify right side
    441,479,717,021.86x = 175,213,434,067,754,751,623,168
  5. Step 5: Solve for x
    x = 175,213,434,067,754,751,623,168/441,479,717,021.86
  6. Step 6: Final answer
    x = 396,877,653,292.23

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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.