Home / 789,345,826.86-1,183,610,771.01-346,507,257.90

Finding the Fourth Proportional to 789,345,826.86, 1,183,610,771.01 and 346,507,257.90

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Solution

The fourth proportional to 789,345,826.86, 1,183,610,771.01 and 346,507,257.90 is: 519,581,796.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,345,826.86 : 1,183,610,771.01 = 346,507,257.90 : x
  2. Step 2: Convert to fraction form
    789,345,826.86/1,183,610,771.01 = 346,507,257.90/x
  3. Step 3: Cross multiply
    789,345,826.86x = 1,183,610,771.01 × 346,507,257.90
  4. Step 4: Simplify right side
    789,345,826.86x = 410,129,722,683,579,904
  5. Step 5: Solve for x
    x = 410,129,722,683,579,904/789,345,826.86
  6. Step 6: Final answer
    x = 519,581,796.38

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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.