Home / 256,775,987,095.70-384,828,922,462.17-143,451,135,582.73

Finding the Fourth Proportional to 256,775,987,095.70, 384,828,922,462.17 and 143,451,135,582.73

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Solution

The fourth proportional to 256,775,987,095.70, 384,828,922,462.17 and 143,451,135,582.73 is: 214,989,518,905.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,775,987,095.70 : 384,828,922,462.17 = 143,451,135,582.73 : x
  2. Step 2: Convert to fraction form
    256,775,987,095.70/384,828,922,462.17 = 143,451,135,582.73/x
  3. Step 3: Cross multiply
    256,775,987,095.70x = 384,828,922,462.17 × 143,451,135,582.73
  4. Step 4: Simplify right side
    256,775,987,095.70x = 55,204,145,932,276,640,776,192
  5. Step 5: Solve for x
    x = 55,204,145,932,276,640,776,192/256,775,987,095.70
  6. Step 6: Final answer
    x = 214,989,518,905.84

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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.