Home / 306,640,728,045.15-459,961,092,067.73-254,397,951,981.15

Finding the Fourth Proportional to 306,640,728,045.15, 459,961,092,067.73 and 254,397,951,981.15

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Solution

The fourth proportional to 306,640,728,045.15, 459,961,092,067.73 and 254,397,951,981.15 is: 381,596,927,971.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,640,728,045.15 : 459,961,092,067.73 = 254,397,951,981.15 : x
  2. Step 2: Convert to fraction form
    306,640,728,045.15/459,961,092,067.73 = 254,397,951,981.15/x
  3. Step 3: Cross multiply
    306,640,728,045.15x = 459,961,092,067.73 × 254,397,951,981.15
  4. Step 4: Simplify right side
    306,640,728,045.15x = 117,013,159,813,043,676,250,112
  5. Step 5: Solve for x
    x = 117,013,159,813,043,676,250,112/306,640,728,045.15
  6. Step 6: Final answer
    x = 381,596,927,971.73

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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.