Home / 1,036,019,753.20-1,553,993,687.40-259,672,207.60

Finding the Fourth Proportional to 1,036,019,753.20, 1,553,993,687.40 and 259,672,207.60

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Solution

The fourth proportional to 1,036,019,753.20, 1,553,993,687.40 and 259,672,207.60 is: 389,499,302.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,019,753.20 : 1,553,993,687.40 = 259,672,207.60 : x
  2. Step 2: Convert to fraction form
    1,036,019,753.20/1,553,993,687.40 = 259,672,207.60/x
  3. Step 3: Cross multiply
    1,036,019,753.20x = 1,553,993,687.40 × 259,672,207.60
  4. Step 4: Simplify right side
    1,036,019,753.20x = 403,528,971,403,622,336
  5. Step 5: Solve for x
    x = 403,528,971,403,622,336/1,036,019,753.20
  6. Step 6: Final answer
    x = 389,499,302.65

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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.