Home / 853,025,477.58-1,279,391,901.18-270,629,911.26

Finding the Fourth Proportional to 853,025,477.58, 1,279,391,901.18 and 270,629,911.26

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Solution

The fourth proportional to 853,025,477.58, 1,279,391,901.18 and 270,629,911.26 is: 405,898,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,025,477.58 : 1,279,391,901.18 = 270,629,911.26 : x
  2. Step 2: Convert to fraction form
    853,025,477.58/1,279,391,901.18 = 270,629,911.26/x
  3. Step 3: Cross multiply
    853,025,477.58x = 1,279,391,901.18 × 270,629,911.26
  4. Step 4: Simplify right side
    853,025,477.58x = 346,241,716,683,106,112
  5. Step 5: Solve for x
    x = 346,241,716,683,106,112/853,025,477.58
  6. Step 6: Final answer
    x = 405,898,447.10

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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.