Home / 299,299,809.40-449,099,013.30-170,006,702.20

Finding the Fourth Proportional to 299,299,809.40, 449,099,013.30 and 170,006,702.20

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Solution

The fourth proportional to 299,299,809.40, 449,099,013.30 and 170,006,702.20 is: 255,094,857.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,299,809.40 : 449,099,013.30 = 170,006,702.20 : x
  2. Step 2: Convert to fraction form
    299,299,809.40/449,099,013.30 = 170,006,702.20/x
  3. Step 3: Cross multiply
    299,299,809.40x = 449,099,013.30 × 170,006,702.20
  4. Step 4: Simplify right side
    299,299,809.40x = 76,349,842,212,406,928
  5. Step 5: Solve for x
    x = 76,349,842,212,406,928/299,299,809.40
  6. Step 6: Final answer
    x = 255,094,857.45

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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.