Home / 18,420,628,019.77-25,420,466,707.40-9,962,451,796.02

Finding the Fourth Proportional to 18,420,628,019.77, 25,420,466,707.40 and 9,962,451,796.02

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Solution

The fourth proportional to 18,420,628,019.77, 25,420,466,707.40 and 9,962,451,796.02 is: 13,748,183,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,420,628,019.77 : 25,420,466,707.40 = 9,962,451,796.02 : x
  2. Step 2: Convert to fraction form
    18,420,628,019.77/25,420,466,707.40 = 9,962,451,796.02/x
  3. Step 3: Cross multiply
    18,420,628,019.77x = 25,420,466,707.40 × 9,962,451,796.02
  4. Step 4: Simplify right side
    18,420,628,019.77x = 253,250,174,204,684,894,208
  5. Step 5: Solve for x
    x = 253,250,174,204,684,894,208/18,420,628,019.77
  6. Step 6: Final answer
    x = 13,748,183,500.20

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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.