Home / 6,620,857,804.86-9,138,997,802.79-3,945,476,932.26

Finding the Fourth Proportional to 6,620,857,804.86, 9,138,997,802.79 and 3,945,476,932.26

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Solution

The fourth proportional to 6,620,857,804.86, 9,138,997,802.79 and 3,945,476,932.26 is: 5,446,077,544.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620,857,804.86 : 9,138,997,802.79 = 3,945,476,932.26 : x
  2. Step 2: Convert to fraction form
    6,620,857,804.86/9,138,997,802.79 = 3,945,476,932.26/x
  3. Step 3: Cross multiply
    6,620,857,804.86x = 9,138,997,802.79 × 3,945,476,932.26
  4. Step 4: Simplify right side
    6,620,857,804.86x = 36,057,705,014,882,775,040
  5. Step 5: Solve for x
    x = 36,057,705,014,882,775,040/6,620,857,804.86
  6. Step 6: Final answer
    x = 5,446,077,544.27

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1.5x scale

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.