Home / 1,338,387,667.91-1,846,894,015.64-743,651,816.42

Finding the Fourth Proportional to 1,338,387,667.91, 1,846,894,015.64 and 743,651,816.42

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Solution

The fourth proportional to 1,338,387,667.91, 1,846,894,015.64 and 743,651,816.42 is: 1,026,194,519.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,387,667.91 : 1,846,894,015.64 = 743,651,816.42 : x
  2. Step 2: Convert to fraction form
    1,338,387,667.91/1,846,894,015.64 = 743,651,816.42/x
  3. Step 3: Cross multiply
    1,338,387,667.91x = 1,846,894,015.64 × 743,651,816.42
  4. Step 4: Simplify right side
    1,338,387,667.91x = 1,373,446,089,452,961,024
  5. Step 5: Solve for x
    x = 1,373,446,089,452,961,024/1,338,387,667.91
  6. Step 6: Final answer
    x = 1,026,194,519.26

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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.