Home / 1,036,253,719.86-1,555,079,973.60-405,907,590.62

Finding the Fourth Proportional to 1,036,253,719.86, 1,555,079,973.60 and 405,907,590.62

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Solution

The fourth proportional to 1,036,253,719.86, 1,555,079,973.60 and 405,907,590.62 is: 609,135,343.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,253,719.86 : 1,555,079,973.60 = 405,907,590.62 : x
  2. Step 2: Convert to fraction form
    1,036,253,719.86/1,555,079,973.60 = 405,907,590.62/x
  3. Step 3: Cross multiply
    1,036,253,719.86x = 1,555,079,973.60 × 405,907,590.62
  4. Step 4: Simplify right side
    1,036,253,719.86x = 631,218,765,305,389,184
  5. Step 5: Solve for x
    x = 631,218,765,305,389,184/1,036,253,719.86
  6. Step 6: Final answer
    x = 609,135,343.22

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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.