Home / 3,965,958,890.64-5,947,654,020.21-1,309,418,191.89

Finding the Fourth Proportional to 3,965,958,890.64, 5,947,654,020.21 and 1,309,418,191.89

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Solution

The fourth proportional to 3,965,958,890.64, 5,947,654,020.21 and 1,309,418,191.89 is: 1,963,703,252.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965,958,890.64 : 5,947,654,020.21 = 1,309,418,191.89 : x
  2. Step 2: Convert to fraction form
    3,965,958,890.64/5,947,654,020.21 = 1,309,418,191.89/x
  3. Step 3: Cross multiply
    3,965,958,890.64x = 5,947,654,020.21 × 1,309,418,191.89
  4. Step 4: Simplify right side
    3,965,958,890.64x = 7,787,966,373,130,668,032
  5. Step 5: Solve for x
    x = 7,787,966,373,130,668,032/3,965,958,890.64
  6. Step 6: Final answer
    x = 1,963,703,252.58

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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.