Home / 1,674,686,878.32-2,309,354,891.66-1,109,975,678.81

Finding the Fourth Proportional to 1,674,686,878.32, 2,309,354,891.66 and 1,109,975,678.81

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Solution

The fourth proportional to 1,674,686,878.32, 2,309,354,891.66 and 1,109,975,678.81 is: 1,530,631,067.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674,686,878.32 : 2,309,354,891.66 = 1,109,975,678.81 : x
  2. Step 2: Convert to fraction form
    1,674,686,878.32/2,309,354,891.66 = 1,109,975,678.81/x
  3. Step 3: Cross multiply
    1,674,686,878.32x = 2,309,354,891.66 × 1,109,975,678.81
  4. Step 4: Simplify right side
    1,674,686,878.32x = 2,563,327,763,493,082,112
  5. Step 5: Solve for x
    x = 2,563,327,763,493,082,112/1,674,686,878.32
  6. Step 6: Final answer
    x = 1,530,631,067.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.