Home / 299,889,999.40-449,834,999.10-239,423,823.40

Finding the Fourth Proportional to 299,889,999.40, 449,834,999.10 and 239,423,823.40

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Solution

The fourth proportional to 299,889,999.40, 449,834,999.10 and 239,423,823.40 is: 359,135,735.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,889,999.40 : 449,834,999.10 = 239,423,823.40 : x
  2. Step 2: Convert to fraction form
    299,889,999.40/449,834,999.10 = 239,423,823.40/x
  3. Step 3: Cross multiply
    299,889,999.40x = 449,834,999.10 × 239,423,823.40
  4. Step 4: Simplify right side
    299,889,999.40x = 107,701,215,383,657,568
  5. Step 5: Solve for x
    x = 107,701,215,383,657,568/299,889,999.40
  6. Step 6: Final answer
    x = 359,135,735.10

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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.