Home / 769,176,104.60-1,153,736,163.30-308,989,314.20

Finding the Fourth Proportional to 769,176,104.60, 1,153,736,163.30 and 308,989,314.20

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Solution

The fourth proportional to 769,176,104.60, 1,153,736,163.30 and 308,989,314.20 is: 463,472,725.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,176,104.60 : 1,153,736,163.30 = 308,989,314.20 : x
  2. Step 2: Convert to fraction form
    769,176,104.60/1,153,736,163.30 = 308,989,314.20/x
  3. Step 3: Cross multiply
    769,176,104.60x = 1,153,736,163.30 × 308,989,314.20
  4. Step 4: Simplify right side
    769,176,104.60x = 356,492,145,865,806,208
  5. Step 5: Solve for x
    x = 356,492,145,865,806,208/769,176,104.60
  6. Step 6: Final answer
    x = 463,472,725.86

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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.