Home / 2,991,420,584.11-4,128,673,021.23-1,739,083,853.42

Finding the Fourth Proportional to 2,991,420,584.11, 4,128,673,021.23 and 1,739,083,853.42

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Solution

The fourth proportional to 2,991,420,584.11, 4,128,673,021.23 and 1,739,083,853.42 is: 2,400,233,730.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,420,584.11 : 4,128,673,021.23 = 1,739,083,853.42 : x
  2. Step 2: Convert to fraction form
    2,991,420,584.11/4,128,673,021.23 = 1,739,083,853.42/x
  3. Step 3: Cross multiply
    2,991,420,584.11x = 4,128,673,021.23 × 1,739,083,853.42
  4. Step 4: Simplify right side
    2,991,420,584.11x = 7,180,108,587,271,862,272
  5. Step 5: Solve for x
    x = 7,180,108,587,271,862,272/2,991,420,584.11
  6. Step 6: Final answer
    x = 2,400,233,730.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.