Home / 1,036,019,759.20-1,553,993,696.40-259,672,213.60

Finding the Fourth Proportional to 1,036,019,759.20, 1,553,993,696.40 and 259,672,213.60

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Solution

The fourth proportional to 1,036,019,759.20, 1,553,993,696.40 and 259,672,213.60 is: 389,499,311.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,019,759.20 : 1,553,993,696.40 = 259,672,213.60 : x
  2. Step 2: Convert to fraction form
    1,036,019,759.20/1,553,993,696.40 = 259,672,213.60/x
  3. Step 3: Cross multiply
    1,036,019,759.20x = 1,553,993,696.40 × 259,672,213.60
  4. Step 4: Simplify right side
    1,036,019,759.20x = 403,528,983,064,634,368
  5. Step 5: Solve for x
    x = 403,528,983,064,634,368/1,036,019,759.20
  6. Step 6: Final answer
    x = 389,499,311.65

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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.