Home / 1,664,423,817.81-2,296,941,983.28-949,945,040.43

Finding the Fourth Proportional to 1,664,423,817.81, 2,296,941,983.28 and 949,945,040.43

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Solution

The fourth proportional to 1,664,423,817.81, 2,296,941,983.28 and 949,945,040.43 is: 1,310,945,338.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,423,817.81 : 2,296,941,983.28 = 949,945,040.43 : x
  2. Step 2: Convert to fraction form
    1,664,423,817.81/2,296,941,983.28 = 949,945,040.43/x
  3. Step 3: Cross multiply
    1,664,423,817.81x = 2,296,941,983.28 × 949,945,040.43
  4. Step 4: Simplify right side
    1,664,423,817.81x = 2,181,968,645,172,284,160
  5. Step 5: Solve for x
    x = 2,181,968,645,172,284,160/1,664,423,817.81
  6. Step 6: Final answer
    x = 1,310,945,338.46

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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.