Home / 1,131,726,327.18-1,561,782,403.52-629,924,308.43

Finding the Fourth Proportional to 1,131,726,327.18, 1,561,782,403.52 and 629,924,308.43

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Solution

The fourth proportional to 1,131,726,327.18, 1,561,782,403.52 and 629,924,308.43 is: 869,295,585.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,726,327.18 : 1,561,782,403.52 = 629,924,308.43 : x
  2. Step 2: Convert to fraction form
    1,131,726,327.18/1,561,782,403.52 = 629,924,308.43/x
  3. Step 3: Cross multiply
    1,131,726,327.18x = 1,561,782,403.52 × 629,924,308.43
  4. Step 4: Simplify right side
    1,131,726,327.18x = 983,804,700,444,520,704
  5. Step 5: Solve for x
    x = 983,804,700,444,520,704/1,131,726,327.18
  6. Step 6: Final answer
    x = 869,295,585.71

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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.