Home / 2,251,319,594.69-3,105,009,493.65-1,979,158,145.31

Finding the Fourth Proportional to 2,251,319,594.69, 3,105,009,493.65 and 1,979,158,145.31

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Solution

The fourth proportional to 2,251,319,594.69, 3,105,009,493.65 and 1,979,158,145.31 is: 2,729,645,690.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251,319,594.69 : 3,105,009,493.65 = 1,979,158,145.31 : x
  2. Step 2: Convert to fraction form
    2,251,319,594.69/3,105,009,493.65 = 1,979,158,145.31/x
  3. Step 3: Cross multiply
    2,251,319,594.69x = 3,105,009,493.65 × 1,979,158,145.31
  4. Step 4: Simplify right side
    2,251,319,594.69x = 6,145,304,830,616,734,720
  5. Step 5: Solve for x
    x = 6,145,304,830,616,734,720/2,251,319,594.69
  6. Step 6: Final answer
    x = 2,729,645,690.96

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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.