Home / 804,387,712.08-1,206,548,727.48-279,876,864.72

Finding the Fourth Proportional to 804,387,712.08, 1,206,548,727.48 and 279,876,864.72

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Solution

The fourth proportional to 804,387,712.08, 1,206,548,727.48 and 279,876,864.72 is: 419,803,870.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,387,712.08 : 1,206,548,727.48 = 279,876,864.72 : x
  2. Step 2: Convert to fraction form
    804,387,712.08/1,206,548,727.48 = 279,876,864.72/x
  3. Step 3: Cross multiply
    804,387,712.08x = 1,206,548,727.48 × 279,876,864.72
  4. Step 4: Simplify right side
    804,387,712.08x = 337,685,074,979,008,128
  5. Step 5: Solve for x
    x = 337,685,074,979,008,128/804,387,712.08
  6. Step 6: Final answer
    x = 419,803,870.58

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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.