Home / 1,036,253,711.47-1,555,079,961.03-405,907,582.24

Finding the Fourth Proportional to 1,036,253,711.47, 1,555,079,961.03 and 405,907,582.24

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Solution

The fourth proportional to 1,036,253,711.47, 1,555,079,961.03 and 405,907,582.24 is: 609,135,330.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,253,711.47 : 1,555,079,961.03 = 405,907,582.24 : x
  2. Step 2: Convert to fraction form
    1,036,253,711.47/1,555,079,961.03 = 405,907,582.24/x
  3. Step 3: Cross multiply
    1,036,253,711.47x = 1,555,079,961.03 × 405,907,582.24
  4. Step 4: Simplify right side
    1,036,253,711.47x = 631,218,747,171,560,704
  5. Step 5: Solve for x
    x = 631,218,747,171,560,704/1,036,253,711.47
  6. Step 6: Final answer
    x = 609,135,330.65

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1.5x scale

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.