Home / 1,643,853,143.33-2,465,517,236.03-479,049,174.01

Finding the Fourth Proportional to 1,643,853,143.33, 2,465,517,236.03 and 479,049,174.01

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Solution

The fourth proportional to 1,643,853,143.33, 2,465,517,236.03 and 479,049,174.01 is: 718,497,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,853,143.33 : 2,465,517,236.03 = 479,049,174.01 : x
  2. Step 2: Convert to fraction form
    1,643,853,143.33/2,465,517,236.03 = 479,049,174.01/x
  3. Step 3: Cross multiply
    1,643,853,143.33x = 2,465,517,236.03 × 479,049,174.01
  4. Step 4: Simplify right side
    1,643,853,143.33x = 1,181,103,995,424,986,368
  5. Step 5: Solve for x
    x = 1,181,103,995,424,986,368/1,643,853,143.33
  6. Step 6: Final answer
    x = 718,497,269.80

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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.