Home / 804,387,718.08-1,206,548,736.48-279,876,870.72

Finding the Fourth Proportional to 804,387,718.08, 1,206,548,736.48 and 279,876,870.72

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Solution

The fourth proportional to 804,387,718.08, 1,206,548,736.48 and 279,876,870.72 is: 419,803,879.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,387,718.08 : 1,206,548,736.48 = 279,876,870.72 : x
  2. Step 2: Convert to fraction form
    804,387,718.08/1,206,548,736.48 = 279,876,870.72/x
  3. Step 3: Cross multiply
    804,387,718.08x = 1,206,548,736.48 × 279,876,870.72
  4. Step 4: Simplify right side
    804,387,718.08x = 337,685,084,737,192,320
  5. Step 5: Solve for x
    x = 337,685,084,737,192,320/804,387,718.08
  6. Step 6: Final answer
    x = 419,803,879.58

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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.