Home / 1,036,019,745.20-1,553,993,675.40-259,672,199.60

Finding the Fourth Proportional to 1,036,019,745.20, 1,553,993,675.40 and 259,672,199.60

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Solution

The fourth proportional to 1,036,019,745.20, 1,553,993,675.40 and 259,672,199.60 is: 389,499,290.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,019,745.20 : 1,553,993,675.40 = 259,672,199.60 : x
  2. Step 2: Convert to fraction form
    1,036,019,745.20/1,553,993,675.40 = 259,672,199.60/x
  3. Step 3: Cross multiply
    1,036,019,745.20x = 1,553,993,675.40 × 259,672,199.60
  4. Step 4: Simplify right side
    1,036,019,745.20x = 403,528,955,855,606,400
  5. Step 5: Solve for x
    x = 403,528,955,855,606,400/1,036,019,745.20
  6. Step 6: Final answer
    x = 389,499,290.65

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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.