Home / 299,559,947.10-449,339,920.65-248,499,620.70

Finding the Fourth Proportional to 299,559,947.10, 449,339,920.65 and 248,499,620.70

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Solution

The fourth proportional to 299,559,947.10, 449,339,920.65 and 248,499,620.70 is: 372,749,431.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,559,947.10 : 449,339,920.65 = 248,499,620.70 : x
  2. Step 2: Convert to fraction form
    299,559,947.10/449,339,920.65 = 248,499,620.70/x
  3. Step 3: Cross multiply
    299,559,947.10x = 449,339,920.65 × 248,499,620.70
  4. Step 4: Simplify right side
    299,559,947.10x = 111,660,799,846,893,088
  5. Step 5: Solve for x
    x = 111,660,799,846,893,088/299,559,947.10
  6. Step 6: Final answer
    x = 372,749,431.05

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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.