Home / 1,036,253,708.47-1,555,079,956.53-405,907,579.24

Finding the Fourth Proportional to 1,036,253,708.47, 1,555,079,956.53 and 405,907,579.24

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Solution

The fourth proportional to 1,036,253,708.47, 1,555,079,956.53 and 405,907,579.24 is: 609,135,326.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,253,708.47 : 1,555,079,956.53 = 405,907,579.24 : x
  2. Step 2: Convert to fraction form
    1,036,253,708.47/1,555,079,956.53 = 405,907,579.24/x
  3. Step 3: Cross multiply
    1,036,253,708.47x = 1,555,079,956.53 × 405,907,579.24
  4. Step 4: Simplify right side
    1,036,253,708.47x = 631,218,740,679,736,704
  5. Step 5: Solve for x
    x = 631,218,740,679,736,704/1,036,253,708.47
  6. Step 6: Final answer
    x = 609,135,326.15

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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.