Home / 6,390,414,078.40-9,585,621,117.60-3,600,986,557.60

Finding the Fourth Proportional to 6,390,414,078.40, 9,585,621,117.60 and 3,600,986,557.60

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Solution

The fourth proportional to 6,390,414,078.40, 9,585,621,117.60 and 3,600,986,557.60 is: 5,401,479,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,414,078.40 : 9,585,621,117.60 = 3,600,986,557.60 : x
  2. Step 2: Convert to fraction form
    6,390,414,078.40/9,585,621,117.60 = 3,600,986,557.60/x
  3. Step 3: Cross multiply
    6,390,414,078.40x = 9,585,621,117.60 × 3,600,986,557.60
  4. Step 4: Simplify right side
    6,390,414,078.40x = 34,517,692,790,724,288,512
  5. Step 5: Solve for x
    x = 34,517,692,790,724,288,512/6,390,414,078.40
  6. Step 6: Final answer
    x = 5,401,479,836.40

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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.