Home / 455,545,619.78-628,649,825.40-246,696,983.15

Finding the Fourth Proportional to 455,545,619.78, 628,649,825.40 and 246,696,983.15

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Solution

The fourth proportional to 455,545,619.78, 628,649,825.40 and 246,696,983.15 is: 340,440,141.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,545,619.78 : 628,649,825.40 = 246,696,983.15 : x
  2. Step 2: Convert to fraction form
    455,545,619.78/628,649,825.40 = 246,696,983.15/x
  3. Step 3: Cross multiply
    455,545,619.78x = 628,649,825.40 × 246,696,983.15
  4. Step 4: Simplify right side
    455,545,619.78x = 155,086,015,380,811,008
  5. Step 5: Solve for x
    x = 155,086,015,380,811,008/455,545,619.78
  6. Step 6: Final answer
    x = 340,440,141.77

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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.