Home / 13,621,942,370.40-20,432,913,555.60-6,275,301,986.40

Finding the Fourth Proportional to 13,621,942,370.40, 20,432,913,555.60 and 6,275,301,986.40

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Solution

The fourth proportional to 13,621,942,370.40, 20,432,913,555.60 and 6,275,301,986.40 is: 9,412,952,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,621,942,370.40 : 20,432,913,555.60 = 6,275,301,986.40 : x
  2. Step 2: Convert to fraction form
    13,621,942,370.40/20,432,913,555.60 = 6,275,301,986.40/x
  3. Step 3: Cross multiply
    13,621,942,370.40x = 20,432,913,555.60 × 6,275,301,986.40
  4. Step 4: Simplify right side
    13,621,942,370.40x = 128,222,703,023,396,143,104
  5. Step 5: Solve for x
    x = 128,222,703,023,396,143,104/13,621,942,370.40
  6. Step 6: Final answer
    x = 9,412,952,979.60

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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.