Home / 1,036,253,705.86-1,555,079,952.60-405,907,576.62

Finding the Fourth Proportional to 1,036,253,705.86, 1,555,079,952.60 and 405,907,576.62

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Solution

The fourth proportional to 1,036,253,705.86, 1,555,079,952.60 and 405,907,576.62 is: 609,135,322.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,253,705.86 : 1,555,079,952.60 = 405,907,576.62 : x
  2. Step 2: Convert to fraction form
    1,036,253,705.86/1,555,079,952.60 = 405,907,576.62/x
  3. Step 3: Cross multiply
    1,036,253,705.86x = 1,555,079,952.60 × 405,907,576.62
  4. Step 4: Simplify right side
    1,036,253,705.86x = 631,218,735,010,210,432
  5. Step 5: Solve for x
    x = 631,218,735,010,210,432/1,036,253,705.86
  6. Step 6: Final answer
    x = 609,135,322.21

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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.