Home / 677,959,040.30-1,017,251,317.86-309,606,913.20

Finding the Fourth Proportional to 677,959,040.30, 1,017,251,317.86 and 309,606,913.20

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Solution

The fourth proportional to 677,959,040.30, 1,017,251,317.86 and 309,606,913.20 is: 464,553,198.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,959,040.30 : 1,017,251,317.86 = 309,606,913.20 : x
  2. Step 2: Convert to fraction form
    677,959,040.30/1,017,251,317.86 = 309,606,913.20/x
  3. Step 3: Cross multiply
    677,959,040.30x = 1,017,251,317.86 × 309,606,913.20
  4. Step 4: Simplify right side
    677,959,040.30x = 314,948,040,471,266,624
  5. Step 5: Solve for x
    x = 314,948,040,471,266,624/677,959,040.30
  6. Step 6: Final answer
    x = 464,553,198.28

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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.