Home / 441,479,717,017.36-609,355,364,937.20-287,539,002,928.60

Finding the Fourth Proportional to 441,479,717,017.36, 609,355,364,937.20 and 287,539,002,928.60

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Solution

The fourth proportional to 441,479,717,017.36, 609,355,364,937.20 and 287,539,002,928.60 is: 396,877,653,286.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,479,717,017.36 : 609,355,364,937.20 = 287,539,002,928.60 : x
  2. Step 2: Convert to fraction form
    441,479,717,017.36/609,355,364,937.20 = 287,539,002,928.60/x
  3. Step 3: Cross multiply
    441,479,717,017.36x = 609,355,364,937.20 × 287,539,002,928.60
  4. Step 4: Simplify right side
    441,479,717,017.36x = 175,213,434,063,235,640,721,408
  5. Step 5: Solve for x
    x = 175,213,434,063,235,640,721,408/441,479,717,017.36
  6. Step 6: Final answer
    x = 396,877,653,286.04

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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.