Home / 1,040,530,445.31-1,560,796,192.85-313,519,157.31

Finding the Fourth Proportional to 1,040,530,445.31, 1,560,796,192.85 and 313,519,157.31

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Solution

The fourth proportional to 1,040,530,445.31, 1,560,796,192.85 and 313,519,157.31 is: 470,278,894.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,530,445.31 : 1,560,796,192.85 = 313,519,157.31 : x
  2. Step 2: Convert to fraction form
    1,040,530,445.31/1,560,796,192.85 = 313,519,157.31/x
  3. Step 3: Cross multiply
    1,040,530,445.31x = 1,560,796,192.85 × 313,519,157.31
  4. Step 4: Simplify right side
    1,040,530,445.31x = 489,339,507,113,420,672
  5. Step 5: Solve for x
    x = 489,339,507,113,420,672/1,040,530,445.31
  6. Step 6: Final answer
    x = 470,278,894.12

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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.