Home / 1,259,266,741,418.20-1,889,088,980,010.30-442,295,492,665.65

Finding the Fourth Proportional to 1,259,266,741,418.20, 1,889,088,980,010.30 and 442,295,492,665.65

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Solution

The fourth proportional to 1,259,266,741,418.20, 1,889,088,980,010.30 and 442,295,492,665.65 is: 663,509,575,550.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,266,741,418.20 : 1,889,088,980,010.30 = 442,295,492,665.65 : x
  2. Step 2: Convert to fraction form
    1,259,266,741,418.20/1,889,088,980,010.30 = 442,295,492,665.65/x
  3. Step 3: Cross multiply
    1,259,266,741,418.20x = 1,889,088,980,010.30 × 442,295,492,665.65
  4. Step 4: Simplify right side
    1,259,266,741,418.20x = 835,535,541,102,905,984,548,864
  5. Step 5: Solve for x
    x = 835,535,541,102,905,984,548,864/1,259,266,741,418.20
  6. Step 6: Final answer
    x = 663,509,575,550.23

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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.