Home / 491,833,366.95-737,750,050.43-128,327,722.95

Finding the Fourth Proportional to 491,833,366.95, 737,750,050.43 and 128,327,722.95

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Solution

The fourth proportional to 491,833,366.95, 737,750,050.43 and 128,327,722.95 is: 192,491,584.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,833,366.95 : 737,750,050.43 = 128,327,722.95 : x
  2. Step 2: Convert to fraction form
    491,833,366.95/737,750,050.43 = 128,327,722.95/x
  3. Step 3: Cross multiply
    491,833,366.95x = 737,750,050.43 × 128,327,722.95
  4. Step 4: Simplify right side
    491,833,366.95x = 94,673,784,077,287,920
  5. Step 5: Solve for x
    x = 94,673,784,077,287,920/491,833,366.95
  6. Step 6: Final answer
    x = 192,491,584.43

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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.