Home / 280,934,992,452.07-387,623,841,958.57-158,999,726,836.51

Finding the Fourth Proportional to 280,934,992,452.07, 387,623,841,958.57 and 158,999,726,836.51

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Solution

The fourth proportional to 280,934,992,452.07, 387,623,841,958.57 and 158,999,726,836.51 is: 219,382,015,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,934,992,452.07 : 387,623,841,958.57 = 158,999,726,836.51 : x
  2. Step 2: Convert to fraction form
    280,934,992,452.07/387,623,841,958.57 = 158,999,726,836.51/x
  3. Step 3: Cross multiply
    280,934,992,452.07x = 387,623,841,958.57 × 158,999,726,836.51
  4. Step 4: Simplify right side
    280,934,992,452.07x = 61,632,084,986,731,161,452,544
  5. Step 5: Solve for x
    x = 61,632,084,986,731,161,452,544/280,934,992,452.07
  6. Step 6: Final answer
    x = 219,382,015,920.45

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Double scale
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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.