Home / 2,528,312,427.56-3,489,045,449.88-1,399,284,382.94

Finding the Fourth Proportional to 2,528,312,427.56, 3,489,045,449.88 and 1,399,284,382.94

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Solution

The fourth proportional to 2,528,312,427.56, 3,489,045,449.88 and 1,399,284,382.94 is: 1,930,998,224.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528,312,427.56 : 3,489,045,449.88 = 1,399,284,382.94 : x
  2. Step 2: Convert to fraction form
    2,528,312,427.56/3,489,045,449.88 = 1,399,284,382.94/x
  3. Step 3: Cross multiply
    2,528,312,427.56x = 3,489,045,449.88 × 1,399,284,382.94
  4. Step 4: Simplify right side
    2,528,312,427.56x = 4,882,166,809,384,950,784
  5. Step 5: Solve for x
    x = 4,882,166,809,384,950,784/2,528,312,427.56
  6. Step 6: Final answer
    x = 1,930,998,224.81

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1.5x scale

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.