Home / 2,139,059,401.40-3,208,589,102.10-976,797,934.40

Finding the Fourth Proportional to 2,139,059,401.40, 3,208,589,102.10 and 976,797,934.40

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Solution

The fourth proportional to 2,139,059,401.40, 3,208,589,102.10 and 976,797,934.40 is: 1,465,196,901.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,059,401.40 : 3,208,589,102.10 = 976,797,934.40 : x
  2. Step 2: Convert to fraction form
    2,139,059,401.40/3,208,589,102.10 = 976,797,934.40/x
  3. Step 3: Cross multiply
    2,139,059,401.40x = 3,208,589,102.10 × 976,797,934.40
  4. Step 4: Simplify right side
    2,139,059,401.40x = 3,134,143,207,269,630,464
  5. Step 5: Solve for x
    x = 3,134,143,207,269,630,464/2,139,059,401.40
  6. Step 6: Final answer
    x = 1,465,196,901.60

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Double scale
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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.