Home / 988,972,845.70-1,483,671,844.95-298,949,851.30

Finding the Fourth Proportional to 988,972,845.70, 1,483,671,844.95 and 298,949,851.30

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Solution

The fourth proportional to 988,972,845.70, 1,483,671,844.95 and 298,949,851.30 is: 448,489,035.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,972,845.70 : 1,483,671,844.95 = 298,949,851.30 : x
  2. Step 2: Convert to fraction form
    988,972,845.70/1,483,671,844.95 = 298,949,851.30/x
  3. Step 3: Cross multiply
    988,972,845.70x = 1,483,671,844.95 × 298,949,851.30
  4. Step 4: Simplify right side
    988,972,845.70x = 443,543,477,425,799,168
  5. Step 5: Solve for x
    x = 443,543,477,425,799,168/988,972,845.70
  6. Step 6: Final answer
    x = 448,489,035.22

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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.