Home / 1,131,726,327.30-1,561,782,403.80-629,924,308.56

Finding the Fourth Proportional to 1,131,726,327.30, 1,561,782,403.80 and 629,924,308.56

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Solution

The fourth proportional to 1,131,726,327.30, 1,561,782,403.80 and 629,924,308.56 is: 869,295,585.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,726,327.30 : 1,561,782,403.80 = 629,924,308.56 : x
  2. Step 2: Convert to fraction form
    1,131,726,327.30/1,561,782,403.80 = 629,924,308.56/x
  3. Step 3: Cross multiply
    1,131,726,327.30x = 1,561,782,403.80 × 629,924,308.56
  4. Step 4: Simplify right side
    1,131,726,327.30x = 983,804,700,834,889,600
  5. Step 5: Solve for x
    x = 983,804,700,834,889,600/1,131,726,327.30
  6. Step 6: Final answer
    x = 869,295,585.96

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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.