Home / 481,049,089.12-663,849,563.64-261,032,515.12

Finding the Fourth Proportional to 481,049,089.12, 663,849,563.64 and 261,032,515.12

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Solution

The fourth proportional to 481,049,089.12, 663,849,563.64 and 261,032,515.12 is: 360,225,858.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,049,089.12 : 663,849,563.64 = 261,032,515.12 : x
  2. Step 2: Convert to fraction form
    481,049,089.12/663,849,563.64 = 261,032,515.12/x
  3. Step 3: Cross multiply
    481,049,089.12x = 663,849,563.64 × 261,032,515.12
  4. Step 4: Simplify right side
    481,049,089.12x = 173,286,321,258,263,712
  5. Step 5: Solve for x
    x = 173,286,321,258,263,712/481,049,089.12
  6. Step 6: Final answer
    x = 360,225,858.81

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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.