Home / 1,036,019,772.70-1,553,993,716.65-259,672,227.10

Finding the Fourth Proportional to 1,036,019,772.70, 1,553,993,716.65 and 259,672,227.10

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Solution

The fourth proportional to 1,036,019,772.70, 1,553,993,716.65 and 259,672,227.10 is: 389,499,331.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,019,772.70 : 1,553,993,716.65 = 259,672,227.10 : x
  2. Step 2: Convert to fraction form
    1,036,019,772.70/1,553,993,716.65 = 259,672,227.10/x
  3. Step 3: Cross multiply
    1,036,019,772.70x = 1,553,993,716.65 × 259,672,227.10
  4. Step 4: Simplify right side
    1,036,019,772.70x = 403,529,009,301,911,872
  5. Step 5: Solve for x
    x = 403,529,009,301,911,872/1,036,019,772.70
  6. Step 6: Final answer
    x = 389,499,331.90

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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.