Home / 499,382,871.20-749,204,943.60-192,684,989.60

Finding the Fourth Proportional to 499,382,871.20, 749,204,943.60 and 192,684,989.60

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Solution

The fourth proportional to 499,382,871.20, 749,204,943.60 and 192,684,989.60 is: 289,077,890.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,382,871.20 : 749,204,943.60 = 192,684,989.60 : x
  2. Step 2: Convert to fraction form
    499,382,871.20/749,204,943.60 = 192,684,989.60/x
  3. Step 3: Cross multiply
    499,382,871.20x = 749,204,943.60 × 192,684,989.60
  4. Step 4: Simplify right side
    499,382,871.20x = 144,360,546,765,834,592
  5. Step 5: Solve for x
    x = 144,360,546,765,834,592/499,382,871.20
  6. Step 6: Final answer
    x = 289,077,890.11

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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.