Home / 392,408,779.62-588,593,602.64-146,747,353.70

Finding the Fourth Proportional to 392,408,779.62, 588,593,602.64 and 146,747,353.70

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Solution

The fourth proportional to 392,408,779.62, 588,593,602.64 and 146,747,353.70 is: 220,113,713.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,408,779.62 : 588,593,602.64 = 146,747,353.70 : x
  2. Step 2: Convert to fraction form
    392,408,779.62/588,593,602.64 = 146,747,353.70/x
  3. Step 3: Cross multiply
    392,408,779.62x = 588,593,602.64 × 146,747,353.70
  4. Step 4: Simplify right side
    392,408,779.62x = 86,374,553,592,169,328
  5. Step 5: Solve for x
    x = 86,374,553,592,169,328/392,408,779.62
  6. Step 6: Final answer
    x = 220,113,713.25

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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.