Home / 769,829,584.80-1,152,476,895.60-724,983,837.60

Finding the Fourth Proportional to 769,829,584.80, 1,152,476,895.60 and 724,983,837.60

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Solution

The fourth proportional to 769,829,584.80, 1,152,476,895.60 and 724,983,837.60 is: 1,085,340,364.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,829,584.80 : 1,152,476,895.60 = 724,983,837.60 : x
  2. Step 2: Convert to fraction form
    769,829,584.80/1,152,476,895.60 = 724,983,837.60/x
  3. Step 3: Cross multiply
    769,829,584.80x = 1,152,476,895.60 × 724,983,837.60
  4. Step 4: Simplify right side
    769,829,584.80x = 835,527,122,517,422,464
  5. Step 5: Solve for x
    x = 835,527,122,517,422,464/769,829,584.80
  6. Step 6: Final answer
    x = 1,085,340,364.95

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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.