Home / 2,139,059,408.40-3,208,589,112.60-976,797,941.40

Finding the Fourth Proportional to 2,139,059,408.40, 3,208,589,112.60 and 976,797,941.40

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Solution

The fourth proportional to 2,139,059,408.40, 3,208,589,112.60 and 976,797,941.40 is: 1,465,196,912.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,059,408.40 : 3,208,589,112.60 = 976,797,941.40 : x
  2. Step 2: Convert to fraction form
    2,139,059,408.40/3,208,589,112.60 = 976,797,941.40/x
  3. Step 3: Cross multiply
    2,139,059,408.40x = 3,208,589,112.60 × 976,797,941.40
  4. Step 4: Simplify right side
    2,139,059,408.40x = 3,134,143,239,986,132,480
  5. Step 5: Solve for x
    x = 3,134,143,239,986,132,480/2,139,059,408.40
  6. Step 6: Final answer
    x = 1,465,196,912.10

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Double scale
Find fourth proportional to 2,139,059,409.40, 3,208,589,114.10 and 976,797,942.40
Similar ratio
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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.