Home / 413,705,022.30-620,557,533.45-291,261,015.90

Finding the Fourth Proportional to 413,705,022.30, 620,557,533.45 and 291,261,015.90

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Solution

The fourth proportional to 413,705,022.30, 620,557,533.45 and 291,261,015.90 is: 436,891,523.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,705,022.30 : 620,557,533.45 = 291,261,015.90 : x
  2. Step 2: Convert to fraction form
    413,705,022.30/620,557,533.45 = 291,261,015.90/x
  3. Step 3: Cross multiply
    413,705,022.30x = 620,557,533.45 × 291,261,015.90
  4. Step 4: Simplify right side
    413,705,022.30x = 180,744,217,617,045,216
  5. Step 5: Solve for x
    x = 180,744,217,617,045,216/413,705,022.30
  6. Step 6: Final answer
    x = 436,891,523.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.