Home / 988,851,520.70-1,483,513,477.05-298,765,540.70

Finding the Fourth Proportional to 988,851,520.70, 1,483,513,477.05 and 298,765,540.70

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Solution

The fourth proportional to 988,851,520.70, 1,483,513,477.05 and 298,765,540.70 is: 448,219,673.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,851,520.70 : 1,483,513,477.05 = 298,765,540.70 : x
  2. Step 2: Convert to fraction form
    988,851,520.70/1,483,513,477.05 = 298,765,540.70/x
  3. Step 3: Cross multiply
    988,851,520.70x = 1,483,513,477.05 × 298,765,540.70
  4. Step 4: Simplify right side
    988,851,520.70x = 443,222,706,106,580,288
  5. Step 5: Solve for x
    x = 443,222,706,106,580,288/988,851,520.70
  6. Step 6: Final answer
    x = 448,219,673.86

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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.