Home / 1,036,019,564.70-1,553,993,404.65-259,672,019.10

Finding the Fourth Proportional to 1,036,019,564.70, 1,553,993,404.65 and 259,672,019.10

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Solution

The fourth proportional to 1,036,019,564.70, 1,553,993,404.65 and 259,672,019.10 is: 389,499,019.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,019,564.70 : 1,553,993,404.65 = 259,672,019.10 : x
  2. Step 2: Convert to fraction form
    1,036,019,564.70/1,553,993,404.65 = 259,672,019.10/x
  3. Step 3: Cross multiply
    1,036,019,564.70x = 1,553,993,404.65 × 259,672,019.10
  4. Step 4: Simplify right side
    1,036,019,564.70x = 403,528,605,053,548,864
  5. Step 5: Solve for x
    x = 403,528,605,053,548,864/1,036,019,564.70
  6. Step 6: Final answer
    x = 389,499,019.91

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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.