Home / 1,993,256,469.20-2,989,884,703.80-887,859,189.20

Finding the Fourth Proportional to 1,993,256,469.20, 2,989,884,703.80 and 887,859,189.20

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Solution

The fourth proportional to 1,993,256,469.20, 2,989,884,703.80 and 887,859,189.20 is: 1,331,788,783.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,256,469.20 : 2,989,884,703.80 = 887,859,189.20 : x
  2. Step 2: Convert to fraction form
    1,993,256,469.20/2,989,884,703.80 = 887,859,189.20/x
  3. Step 3: Cross multiply
    1,993,256,469.20x = 2,989,884,703.80 × 887,859,189.20
  4. Step 4: Simplify right side
    1,993,256,469.20x = 2,654,596,608,917,350,400
  5. Step 5: Solve for x
    x = 2,654,596,608,917,350,400/1,993,256,469.20
  6. Step 6: Final answer
    x = 1,331,788,783.80

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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.