Home / 2,040,481,200.60-3,060,721,800.90-660,435,211.80

Finding the Fourth Proportional to 2,040,481,200.60, 3,060,721,800.90 and 660,435,211.80

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Solution

The fourth proportional to 2,040,481,200.60, 3,060,721,800.90 and 660,435,211.80 is: 990,652,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040,481,200.60 : 3,060,721,800.90 = 660,435,211.80 : x
  2. Step 2: Convert to fraction form
    2,040,481,200.60/3,060,721,800.90 = 660,435,211.80/x
  3. Step 3: Cross multiply
    2,040,481,200.60x = 3,060,721,800.90 × 660,435,211.80
  4. Step 4: Simplify right side
    2,040,481,200.60x = 2,021,408,450,838,268,928
  5. Step 5: Solve for x
    x = 2,021,408,450,838,268,928/2,040,481,200.60
  6. Step 6: Final answer
    x = 990,652,817.70

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Half scale
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Double scale
Find fourth proportional to 2,040,481,201.60, 3,060,721,802.40 and 660,435,212.80
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.