Home / 1,403,776,167.96-2,102,322,085.82-812,319,581.38

Finding the Fourth Proportional to 1,403,776,167.96, 2,102,322,085.82 and 812,319,581.38

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Solution

The fourth proportional to 1,403,776,167.96, 2,102,322,085.82 and 812,319,581.38 is: 1,216,545,369.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,776,167.96 : 2,102,322,085.82 = 812,319,581.38 : x
  2. Step 2: Convert to fraction form
    1,403,776,167.96/2,102,322,085.82 = 812,319,581.38/x
  3. Step 3: Cross multiply
    1,403,776,167.96x = 2,102,322,085.82 × 812,319,581.38
  4. Step 4: Simplify right side
    1,403,776,167.96x = 1,707,757,396,679,230,720
  5. Step 5: Solve for x
    x = 1,707,757,396,679,230,720/1,403,776,167.96
  6. Step 6: Final answer
    x = 1,216,545,369.31

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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.