Home / 12,605,709,027.12-17,395,836,224.05-6,889,990,142.84

Finding the Fourth Proportional to 12,605,709,027.12, 17,395,836,224.05 and 6,889,990,142.84

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Solution

The fourth proportional to 12,605,709,027.12, 17,395,836,224.05 and 6,889,990,142.84 is: 9,508,163,313.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,605,709,027.12 : 17,395,836,224.05 = 6,889,990,142.84 : x
  2. Step 2: Convert to fraction form
    12,605,709,027.12/17,395,836,224.05 = 6,889,990,142.84/x
  3. Step 3: Cross multiply
    12,605,709,027.12x = 17,395,836,224.05 × 6,889,990,142.84
  4. Step 4: Simplify right side
    12,605,709,027.12x = 119,857,140,110,214,103,040
  5. Step 5: Solve for x
    x = 119,857,140,110,214,103,040/12,605,709,027.12
  6. Step 6: Final answer
    x = 9,508,163,313.33

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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.