Home / 1,036,253,715.73-1,555,079,967.41-405,907,586.49

Finding the Fourth Proportional to 1,036,253,715.73, 1,555,079,967.41 and 405,907,586.49

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Solution

The fourth proportional to 1,036,253,715.73, 1,555,079,967.41 and 405,907,586.49 is: 609,135,337.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,253,715.73 : 1,555,079,967.41 = 405,907,586.49 : x
  2. Step 2: Convert to fraction form
    1,036,253,715.73/1,555,079,967.41 = 405,907,586.49/x
  3. Step 3: Cross multiply
    1,036,253,715.73x = 1,555,079,967.41 × 405,907,586.49
  4. Step 4: Simplify right side
    1,036,253,715.73x = 631,218,756,370,340,992
  5. Step 5: Solve for x
    x = 631,218,756,370,340,992/1,036,253,715.73
  6. Step 6: Final answer
    x = 609,135,337.02

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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.