Home / 988,972,860.20-1,483,671,866.70-298,949,865.80

Finding the Fourth Proportional to 988,972,860.20, 1,483,671,866.70 and 298,949,865.80

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Solution

The fourth proportional to 988,972,860.20, 1,483,671,866.70 and 298,949,865.80 is: 448,489,056.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,972,860.20 : 1,483,671,866.70 = 298,949,865.80 : x
  2. Step 2: Convert to fraction form
    988,972,860.20/1,483,671,866.70 = 298,949,865.80/x
  3. Step 3: Cross multiply
    988,972,860.20x = 1,483,671,866.70 × 298,949,865.80
  4. Step 4: Simplify right side
    988,972,860.20x = 443,543,505,441,200,512
  5. Step 5: Solve for x
    x = 443,543,505,441,200,512/988,972,860.20
  6. Step 6: Final answer
    x = 448,489,056.97

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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.