Home / 804,387,722.58-1,206,548,743.23-279,876,875.22

Finding the Fourth Proportional to 804,387,722.58, 1,206,548,743.23 and 279,876,875.22

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Solution

The fourth proportional to 804,387,722.58, 1,206,548,743.23 and 279,876,875.22 is: 419,803,886.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,387,722.58 : 1,206,548,743.23 = 279,876,875.22 : x
  2. Step 2: Convert to fraction form
    804,387,722.58/1,206,548,743.23 = 279,876,875.22/x
  3. Step 3: Cross multiply
    804,387,722.58x = 1,206,548,743.23 × 279,876,875.22
  4. Step 4: Simplify right side
    804,387,722.58x = 337,685,092,055,830,592
  5. Step 5: Solve for x
    x = 337,685,092,055,830,592/804,387,722.58
  6. Step 6: Final answer
    x = 419,803,886.33

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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.