Home / 441,479,717,032.72-609,355,364,958.42-287,539,002,943.96

Finding the Fourth Proportional to 441,479,717,032.72, 609,355,364,958.42 and 287,539,002,943.96

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Solution

The fourth proportional to 441,479,717,032.72, 609,355,364,958.42 and 287,539,002,943.96 is: 396,877,653,307.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,479,717,032.72 : 609,355,364,958.42 = 287,539,002,943.96 : x
  2. Step 2: Convert to fraction form
    441,479,717,032.72/609,355,364,958.42 = 287,539,002,943.96/x
  3. Step 3: Cross multiply
    441,479,717,032.72x = 609,355,364,958.42 × 287,539,002,943.96
  4. Step 4: Simplify right side
    441,479,717,032.72x = 175,213,434,078,696,986,116,096
  5. Step 5: Solve for x
    x = 175,213,434,078,696,986,116,096/441,479,717,032.72
  6. Step 6: Final answer
    x = 396,877,653,307.26

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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.