Home / 988,972,802.70-1,483,671,780.45-298,949,808.30

Finding the Fourth Proportional to 988,972,802.70, 1,483,671,780.45 and 298,949,808.30

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Solution

The fourth proportional to 988,972,802.70, 1,483,671,780.45 and 298,949,808.30 is: 448,488,970.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,972,802.70 : 1,483,671,780.45 = 298,949,808.30 : x
  2. Step 2: Convert to fraction form
    988,972,802.70/1,483,671,780.45 = 298,949,808.30/x
  3. Step 3: Cross multiply
    988,972,802.70x = 1,483,671,780.45 × 298,949,808.30
  4. Step 4: Simplify right side
    988,972,802.70x = 443,543,394,345,647,232
  5. Step 5: Solve for x
    x = 443,543,394,345,647,232/988,972,802.70
  6. Step 6: Final answer
    x = 448,488,970.71

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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.