Home / 1,293,214,284.63-1,941,047,815.14-800,436,945.78

Finding the Fourth Proportional to 1,293,214,284.63, 1,941,047,815.14 and 800,436,945.78

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Solution

The fourth proportional to 1,293,214,284.63, 1,941,047,815.14 and 800,436,945.78 is: 1,201,414,493.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,214,284.63 : 1,941,047,815.14 = 800,436,945.78 : x
  2. Step 2: Convert to fraction form
    1,293,214,284.63/1,941,047,815.14 = 800,436,945.78/x
  3. Step 3: Cross multiply
    1,293,214,284.63x = 1,941,047,815.14 × 800,436,945.78
  4. Step 4: Simplify right side
    1,293,214,284.63x = 1,553,686,384,763,603,712
  5. Step 5: Solve for x
    x = 1,553,686,384,763,603,712/1,293,214,284.63
  6. Step 6: Final answer
    x = 1,201,414,493.51

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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.