Home / 1,317,844,048.36-1,975,376,272.12-432,298,169.04

Finding the Fourth Proportional to 1,317,844,048.36, 1,975,376,272.12 and 432,298,169.04

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Solution

The fourth proportional to 1,317,844,048.36, 1,975,376,272.12 and 432,298,169.04 is: 647,991,351.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,844,048.36 : 1,975,376,272.12 = 432,298,169.04 : x
  2. Step 2: Convert to fraction form
    1,317,844,048.36/1,975,376,272.12 = 432,298,169.04/x
  3. Step 3: Cross multiply
    1,317,844,048.36x = 1,975,376,272.12 × 432,298,169.04
  4. Step 4: Simplify right side
    1,317,844,048.36x = 853,951,545,602,536,832
  5. Step 5: Solve for x
    x = 853,951,545,602,536,832/1,317,844,048.36
  6. Step 6: Final answer
    x = 647,991,351.23

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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.