Home / 1,036,019,748.20-1,553,993,679.90-259,672,202.60

Finding the Fourth Proportional to 1,036,019,748.20, 1,553,993,679.90 and 259,672,202.60

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Solution

The fourth proportional to 1,036,019,748.20, 1,553,993,679.90 and 259,672,202.60 is: 389,499,295.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,019,748.20 : 1,553,993,679.90 = 259,672,202.60 : x
  2. Step 2: Convert to fraction form
    1,036,019,748.20/1,553,993,679.90 = 259,672,202.60/x
  3. Step 3: Cross multiply
    1,036,019,748.20x = 1,553,993,679.90 × 259,672,202.60
  4. Step 4: Simplify right side
    1,036,019,748.20x = 403,528,961,686,112,384
  5. Step 5: Solve for x
    x = 403,528,961,686,112,384/1,036,019,748.20
  6. Step 6: Final answer
    x = 389,499,295.15

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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.