Home / 384,371,998.20-576,557,997.30-380,788,817.40

Finding the Fourth Proportional to 384,371,998.20, 576,557,997.30 and 380,788,817.40

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Solution

The fourth proportional to 384,371,998.20, 576,557,997.30 and 380,788,817.40 is: 571,183,226.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,371,998.20 : 576,557,997.30 = 380,788,817.40 : x
  2. Step 2: Convert to fraction form
    384,371,998.20/576,557,997.30 = 380,788,817.40/x
  3. Step 3: Cross multiply
    384,371,998.20x = 576,557,997.30 × 380,788,817.40
  4. Step 4: Simplify right side
    384,371,998.20x = 219,546,837,954,379,360
  5. Step 5: Solve for x
    x = 219,546,837,954,379,360/384,371,998.20
  6. Step 6: Final answer
    x = 571,183,226.10

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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.