Home / 280,934,992,451.70-387,623,841,958.05-158,999,726,836.14

Finding the Fourth Proportional to 280,934,992,451.70, 387,623,841,958.05 and 158,999,726,836.14

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Solution

The fourth proportional to 280,934,992,451.70, 387,623,841,958.05 and 158,999,726,836.14 is: 219,382,015,919.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,934,992,451.70 : 387,623,841,958.05 = 158,999,726,836.14 : x
  2. Step 2: Convert to fraction form
    280,934,992,451.70/387,623,841,958.05 = 158,999,726,836.14/x
  3. Step 3: Cross multiply
    280,934,992,451.70x = 387,623,841,958.05 × 158,999,726,836.14
  4. Step 4: Simplify right side
    280,934,992,451.70x = 61,632,084,986,505,054,912,512
  5. Step 5: Solve for x
    x = 61,632,084,986,505,054,912,512/280,934,992,451.70
  6. Step 6: Final answer
    x = 219,382,015,919.93

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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.