Home / 18,420,628,303.59-25,420,467,098.88-9,962,452,079.61

Finding the Fourth Proportional to 18,420,628,303.59, 25,420,467,098.88 and 9,962,452,079.61

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Solution

The fourth proportional to 18,420,628,303.59, 25,420,467,098.88 and 9,962,452,079.61 is: 13,748,183,891.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,420,628,303.59 : 25,420,467,098.88 = 9,962,452,079.61 : x
  2. Step 2: Convert to fraction form
    18,420,628,303.59/25,420,467,098.88 = 9,962,452,079.61/x
  3. Step 3: Cross multiply
    18,420,628,303.59x = 25,420,467,098.88 × 9,962,452,079.61
  4. Step 4: Simplify right side
    18,420,628,303.59x = 253,250,185,313,894,662,144
  5. Step 5: Solve for x
    x = 253,250,185,313,894,662,144/18,420,628,303.59
  6. Step 6: Final answer
    x = 13,748,183,891.45

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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.