Home / 3,779,141,998.60-5,668,712,997.90-1,324,593,166.60

Finding the Fourth Proportional to 3,779,141,998.60, 5,668,712,997.90 and 1,324,593,166.60

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Solution

The fourth proportional to 3,779,141,998.60, 5,668,712,997.90 and 1,324,593,166.60 is: 1,986,889,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,141,998.60 : 5,668,712,997.90 = 1,324,593,166.60 : x
  2. Step 2: Convert to fraction form
    3,779,141,998.60/5,668,712,997.90 = 1,324,593,166.60/x
  3. Step 3: Cross multiply
    3,779,141,998.60x = 5,668,712,997.90 × 1,324,593,166.60
  4. Step 4: Simplify right side
    3,779,141,998.60x = 7,508,738,500,434,938,880
  5. Step 5: Solve for x
    x = 7,508,738,500,434,938,880/3,779,141,998.60
  6. Step 6: Final answer
    x = 1,986,889,749.90

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Double scale
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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.