Home / 2,660,098,452.30-3,990,147,678.45-1,680,546,401.10

Finding the Fourth Proportional to 2,660,098,452.30, 3,990,147,678.45 and 1,680,546,401.10

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Solution

The fourth proportional to 2,660,098,452.30, 3,990,147,678.45 and 1,680,546,401.10 is: 2,520,819,601.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,098,452.30 : 3,990,147,678.45 = 1,680,546,401.10 : x
  2. Step 2: Convert to fraction form
    2,660,098,452.30/3,990,147,678.45 = 1,680,546,401.10/x
  3. Step 3: Cross multiply
    2,660,098,452.30x = 3,990,147,678.45 × 1,680,546,401.10
  4. Step 4: Simplify right side
    2,660,098,452.30x = 6,705,628,320,876,666,880
  5. Step 5: Solve for x
    x = 6,705,628,320,876,666,880/2,660,098,452.30
  6. Step 6: Final answer
    x = 2,520,819,601.65

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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.