Home / 1,323,086,343.50-1,979,642,925.62-789,323,832.07

Finding the Fourth Proportional to 1,323,086,343.50, 1,979,642,925.62 and 789,323,832.07

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Solution

The fourth proportional to 1,323,086,343.50, 1,979,642,925.62 and 789,323,832.07 is: 1,181,010,859.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,086,343.50 : 1,979,642,925.62 = 789,323,832.07 : x
  2. Step 2: Convert to fraction form
    1,323,086,343.50/1,979,642,925.62 = 789,323,832.07/x
  3. Step 3: Cross multiply
    1,323,086,343.50x = 1,979,642,925.62 × 789,323,832.07
  4. Step 4: Simplify right side
    1,323,086,343.50x = 1,562,579,340,174,669,056
  5. Step 5: Solve for x
    x = 1,562,579,340,174,669,056/1,323,086,343.50
  6. Step 6: Final answer
    x = 1,181,010,859.83

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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.