Home / 1,646,266,880.42-2,469,885,422.70-663,187,548.14

Finding the Fourth Proportional to 1,646,266,880.42, 2,469,885,422.70 and 663,187,548.14

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Solution

The fourth proportional to 1,646,266,880.42, 2,469,885,422.70 and 663,187,548.14 is: 994,976,742.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,266,880.42 : 2,469,885,422.70 = 663,187,548.14 : x
  2. Step 2: Convert to fraction form
    1,646,266,880.42/2,469,885,422.70 = 663,187,548.14/x
  3. Step 3: Cross multiply
    1,646,266,880.42x = 2,469,885,422.70 × 663,187,548.14
  4. Step 4: Simplify right side
    1,646,266,880.42x = 1,637,997,257,667,140,352
  5. Step 5: Solve for x
    x = 1,637,997,257,667,140,352/1,646,266,880.42
  6. Step 6: Final answer
    x = 994,976,742.32

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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.