Home / 804,536,405.90-1,206,804,608.85-287,550,601.10

Finding the Fourth Proportional to 804,536,405.90, 1,206,804,608.85 and 287,550,601.10

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Solution

The fourth proportional to 804,536,405.90, 1,206,804,608.85 and 287,550,601.10 is: 431,325,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,536,405.90 : 1,206,804,608.85 = 287,550,601.10 : x
  2. Step 2: Convert to fraction form
    804,536,405.90/1,206,804,608.85 = 287,550,601.10/x
  3. Step 3: Cross multiply
    804,536,405.90x = 1,206,804,608.85 × 287,550,601.10
  4. Step 4: Simplify right side
    804,536,405.90x = 347,017,390,685,067,904
  5. Step 5: Solve for x
    x = 347,017,390,685,067,904/804,536,405.90
  6. Step 6: Final answer
    x = 431,325,901.65

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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.