Home / 21,876,086,433.30-30,189,029,911.10-11,851,581,280.43

Finding the Fourth Proportional to 21,876,086,433.30, 30,189,029,911.10 and 11,851,581,280.43

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Solution

The fourth proportional to 21,876,086,433.30, 30,189,029,911.10 and 11,851,581,280.43 is: 16,355,198,762.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,876,086,433.30 : 30,189,029,911.10 = 11,851,581,280.43 : x
  2. Step 2: Convert to fraction form
    21,876,086,433.30/30,189,029,911.10 = 11,851,581,280.43/x
  3. Step 3: Cross multiply
    21,876,086,433.30x = 30,189,029,911.10 × 11,851,581,280.43
  4. Step 4: Simplify right side
    21,876,086,433.30x = 357,787,741,768,655,437,824
  5. Step 5: Solve for x
    x = 357,787,741,768,655,437,824/21,876,086,433.30
  6. Step 6: Final answer
    x = 16,355,198,762.79

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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.