Home / 1,201,826,458.26-1,658,530,250.42-665,987,073.79

Finding the Fourth Proportional to 1,201,826,458.26, 1,658,530,250.42 and 665,987,073.79

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Solution

The fourth proportional to 1,201,826,458.26, 1,658,530,250.42 and 665,987,073.79 is: 919,067,558.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,826,458.26 : 1,658,530,250.42 = 665,987,073.79 : x
  2. Step 2: Convert to fraction form
    1,201,826,458.26/1,658,530,250.42 = 665,987,073.79/x
  3. Step 3: Cross multiply
    1,201,826,458.26x = 1,658,530,250.42 × 665,987,073.79
  4. Step 4: Simplify right side
    1,201,826,458.26x = 1,104,559,708,264,008,704
  5. Step 5: Solve for x
    x = 1,104,559,708,264,008,704/1,201,826,458.26
  6. Step 6: Final answer
    x = 919,067,558.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.