Home / 804,387,735.60-1,206,548,762.72-279,876,888.24

Finding the Fourth Proportional to 804,387,735.60, 1,206,548,762.72 and 279,876,888.24

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Solution

The fourth proportional to 804,387,735.60, 1,206,548,762.72 and 279,876,888.24 is: 419,803,905.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,387,735.60 : 1,206,548,762.72 = 279,876,888.24 : x
  2. Step 2: Convert to fraction form
    804,387,735.60/1,206,548,762.72 = 279,876,888.24/x
  3. Step 3: Cross multiply
    804,387,735.60x = 1,206,548,762.72 × 279,876,888.24
  4. Step 4: Simplify right side
    804,387,735.60x = 337,685,113,219,895,744
  5. Step 5: Solve for x
    x = 337,685,113,219,895,744/804,387,735.60
  6. Step 6: Final answer
    x = 419,803,905.85

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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.