Home / 1,073,491,015,618.30-1,610,225,911,991.40-491,815,213,702.72

Finding the Fourth Proportional to 1,073,491,015,618.30, 1,610,225,911,991.40 and 491,815,213,702.72

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Solution

The fourth proportional to 1,073,491,015,618.30, 1,610,225,911,991.40 and 491,815,213,702.72 is: 737,717,958,971.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,491,015,618.30 : 1,610,225,911,991.40 = 491,815,213,702.72 : x
  2. Step 2: Convert to fraction form
    1,073,491,015,618.30/1,610,225,911,991.40 = 491,815,213,702.72/x
  3. Step 3: Cross multiply
    1,073,491,015,618.30x = 1,610,225,911,991.40 × 491,815,213,702.72
  4. Step 4: Simplify right side
    1,073,491,015,618.30x = 791,933,601,015,707,536,982,016
  5. Step 5: Solve for x
    x = 791,933,601,015,707,536,982,016/1,073,491,015,618.30
  6. Step 6: Final answer
    x = 737,717,958,971.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.