Home / 4,291,135,667.20-6,436,703,500.80-3,128,874,200.20

Finding the Fourth Proportional to 4,291,135,667.20, 6,436,703,500.80 and 3,128,874,200.20

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Solution

The fourth proportional to 4,291,135,667.20, 6,436,703,500.80 and 3,128,874,200.20 is: 4,693,311,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291,135,667.20 : 6,436,703,500.80 = 3,128,874,200.20 : x
  2. Step 2: Convert to fraction form
    4,291,135,667.20/6,436,703,500.80 = 3,128,874,200.20/x
  3. Step 3: Cross multiply
    4,291,135,667.20x = 6,436,703,500.80 × 3,128,874,200.20
  4. Step 4: Simplify right side
    4,291,135,667.20x = 20,139,635,517,990,137,856
  5. Step 5: Solve for x
    x = 20,139,635,517,990,137,856/4,291,135,667.20
  6. Step 6: Final answer
    x = 4,693,311,300.30

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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.