Home / 1,616,988,778.80-2,425,483,168.20-891,394,666.80

Finding the Fourth Proportional to 1,616,988,778.80, 2,425,483,168.20 and 891,394,666.80

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Solution

The fourth proportional to 1,616,988,778.80, 2,425,483,168.20 and 891,394,666.80 is: 1,337,092,000.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,988,778.80 : 2,425,483,168.20 = 891,394,666.80 : x
  2. Step 2: Convert to fraction form
    1,616,988,778.80/2,425,483,168.20 = 891,394,666.80/x
  3. Step 3: Cross multiply
    1,616,988,778.80x = 2,425,483,168.20 × 891,394,666.80
  4. Step 4: Simplify right side
    1,616,988,778.80x = 2,162,062,760,546,647,040
  5. Step 5: Solve for x
    x = 2,162,062,760,546,647,040/1,616,988,778.80
  6. Step 6: Final answer
    x = 1,337,092,000.20

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1.5x scale

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.