Home / 518,073,563.88-776,889,134.28-299,874,517.56

Finding the Fourth Proportional to 518,073,563.88, 776,889,134.28 and 299,874,517.56

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Solution

The fourth proportional to 518,073,563.88, 776,889,134.28 and 299,874,517.56 is: 449,683,733.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,073,563.88 : 776,889,134.28 = 299,874,517.56 : x
  2. Step 2: Convert to fraction form
    518,073,563.88/776,889,134.28 = 299,874,517.56/x
  3. Step 3: Cross multiply
    518,073,563.88x = 776,889,134.28 × 299,874,517.56
  4. Step 4: Simplify right side
    518,073,563.88x = 232,969,254,339,821,056
  5. Step 5: Solve for x
    x = 232,969,254,339,821,056/518,073,563.88
  6. Step 6: Final answer
    x = 449,683,733.32

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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.