Home / 310,053,643.20-465,080,464.80-200,284,504.65

Finding the Fourth Proportional to 310,053,643.20, 465,080,464.80 and 200,284,504.65

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Solution

The fourth proportional to 310,053,643.20, 465,080,464.80 and 200,284,504.65 is: 300,426,756.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,053,643.20 : 465,080,464.80 = 200,284,504.65 : x
  2. Step 2: Convert to fraction form
    310,053,643.20/465,080,464.80 = 200,284,504.65/x
  3. Step 3: Cross multiply
    310,053,643.20x = 465,080,464.80 × 200,284,504.65
  4. Step 4: Simplify right side
    310,053,643.20x = 93,148,410,514,859,760
  5. Step 5: Solve for x
    x = 93,148,410,514,859,760/310,053,643.20
  6. Step 6: Final answer
    x = 300,426,756.98

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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.