Home / 789,068,018.06-1,089,067,885.71-475,853,226.38

Finding the Fourth Proportional to 789,068,018.06, 1,089,067,885.71 and 475,853,226.38

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Solution

The fourth proportional to 789,068,018.06, 1,089,067,885.71 and 475,853,226.38 is: 656,770,335.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,068,018.06 : 1,089,067,885.71 = 475,853,226.38 : x
  2. Step 2: Convert to fraction form
    789,068,018.06/1,089,067,885.71 = 475,853,226.38/x
  3. Step 3: Cross multiply
    789,068,018.06x = 1,089,067,885.71 × 475,853,226.38
  4. Step 4: Simplify right side
    789,068,018.06x = 518,236,467,161,948,608
  5. Step 5: Solve for x
    x = 518,236,467,161,948,608/789,068,018.06
  6. Step 6: Final answer
    x = 656,770,335.76

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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.