Home / 1,036,253,709.22-1,555,079,957.66-405,907,579.98

Finding the Fourth Proportional to 1,036,253,709.22, 1,555,079,957.66 and 405,907,579.98

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Solution

The fourth proportional to 1,036,253,709.22, 1,555,079,957.66 and 405,907,579.98 is: 609,135,327.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,253,709.22 : 1,555,079,957.66 = 405,907,579.98 : x
  2. Step 2: Convert to fraction form
    1,036,253,709.22/1,555,079,957.66 = 405,907,579.98/x
  3. Step 3: Cross multiply
    1,036,253,709.22x = 1,555,079,957.66 × 405,907,579.98
  4. Step 4: Simplify right side
    1,036,253,709.22x = 631,218,742,289,171,584
  5. Step 5: Solve for x
    x = 631,218,742,289,171,584/1,036,253,709.22
  6. Step 6: Final answer
    x = 609,135,327.26

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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.