Home / 15,999,122,478.87-22,078,781,341.56-9,568,942,347.10

Finding the Fourth Proportional to 15,999,122,478.87, 22,078,781,341.56 and 9,568,942,347.10

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Solution

The fourth proportional to 15,999,122,478.87, 22,078,781,341.56 and 9,568,942,347.10 is: 13,205,135,846.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999,122,478.87 : 22,078,781,341.56 = 9,568,942,347.10 : x
  2. Step 2: Convert to fraction form
    15,999,122,478.87/22,078,781,341.56 = 9,568,942,347.10/x
  3. Step 3: Cross multiply
    15,999,122,478.87x = 22,078,781,341.56 × 9,568,942,347.10
  4. Step 4: Simplify right side
    15,999,122,478.87x = 211,270,585,751,720,820,736
  5. Step 5: Solve for x
    x = 211,270,585,751,720,820,736/15,999,122,478.87
  6. Step 6: Final answer
    x = 13,205,135,846.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.