Home / 988,972,765.20-1,483,671,724.20-298,949,770.80

Finding the Fourth Proportional to 988,972,765.20, 1,483,671,724.20 and 298,949,770.80

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Solution

The fourth proportional to 988,972,765.20, 1,483,671,724.20 and 298,949,770.80 is: 448,488,914.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,972,765.20 : 1,483,671,724.20 = 298,949,770.80 : x
  2. Step 2: Convert to fraction form
    988,972,765.20/1,483,671,724.20 = 298,949,770.80/x
  3. Step 3: Cross multiply
    988,972,765.20x = 1,483,671,724.20 × 298,949,770.80
  4. Step 4: Simplify right side
    988,972,765.20x = 443,543,321,892,030,848
  5. Step 5: Solve for x
    x = 443,543,321,892,030,848/988,972,765.20
  6. Step 6: Final answer
    x = 448,488,914.46

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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.