Home / 1,293,003,858.80-1,940,723,509.80-680,027,999.60

Finding the Fourth Proportional to 1,293,003,858.80, 1,940,723,509.80 and 680,027,999.60

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Solution

The fourth proportional to 1,293,003,858.80, 1,940,723,509.80 and 680,027,999.60 is: 1,020,682,434.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,003,858.80 : 1,940,723,509.80 = 680,027,999.60 : x
  2. Step 2: Convert to fraction form
    1,293,003,858.80/1,940,723,509.80 = 680,027,999.60/x
  3. Step 3: Cross multiply
    1,293,003,858.80x = 1,940,723,509.80 × 680,027,999.60
  4. Step 4: Simplify right side
    1,293,003,858.80x = 1,319,746,326,145,985,024
  5. Step 5: Solve for x
    x = 1,319,746,326,145,985,024/1,293,003,858.80
  6. Step 6: Final answer
    x = 1,020,682,434.29

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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.