Home / 280,934,992,452.58-387,623,841,959.25-158,999,726,837.01

Finding the Fourth Proportional to 280,934,992,452.58, 387,623,841,959.25 and 158,999,726,837.01

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Solution

The fourth proportional to 280,934,992,452.58, 387,623,841,959.25 and 158,999,726,837.01 is: 219,382,015,921.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,934,992,452.58 : 387,623,841,959.25 = 158,999,726,837.01 : x
  2. Step 2: Convert to fraction form
    280,934,992,452.58/387,623,841,959.25 = 158,999,726,837.01/x
  3. Step 3: Cross multiply
    280,934,992,452.58x = 387,623,841,959.25 × 158,999,726,837.01
  4. Step 4: Simplify right side
    280,934,992,452.58x = 61,632,084,987,033,092,620,288
  5. Step 5: Solve for x
    x = 61,632,084,987,033,092,620,288/280,934,992,452.58
  6. Step 6: Final answer
    x = 219,382,015,921.13

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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.