Home / 18,472,068,812.66-27,705,303,611.12-5,027,400,398.18

Finding the Fourth Proportional to 18,472,068,812.66, 27,705,303,611.12 and 5,027,400,398.18

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Solution

The fourth proportional to 18,472,068,812.66, 27,705,303,611.12 and 5,027,400,398.18 is: 7,540,338,649.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,472,068,812.66 : 27,705,303,611.12 = 5,027,400,398.18 : x
  2. Step 2: Convert to fraction form
    18,472,068,812.66/27,705,303,611.12 = 5,027,400,398.18/x
  3. Step 3: Cross multiply
    18,472,068,812.66x = 27,705,303,611.12 × 5,027,400,398.18
  4. Step 4: Simplify right side
    18,472,068,812.66x = 139,285,654,406,329,073,664
  5. Step 5: Solve for x
    x = 139,285,654,406,329,073,664/18,472,068,812.66
  6. Step 6: Final answer
    x = 7,540,338,649.61

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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.