Home / 1,242,846,960.48-1,864,516,028.52-455,907,919.56

Finding the Fourth Proportional to 1,242,846,960.48, 1,864,516,028.52 and 455,907,919.56

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Solution

The fourth proportional to 1,242,846,960.48, 1,864,516,028.52 and 455,907,919.56 is: 683,951,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,846,960.48 : 1,864,516,028.52 = 455,907,919.56 : x
  2. Step 2: Convert to fraction form
    1,242,846,960.48/1,864,516,028.52 = 455,907,919.56/x
  3. Step 3: Cross multiply
    1,242,846,960.48x = 1,864,516,028.52 × 455,907,919.56
  4. Step 4: Simplify right side
    1,242,846,960.48x = 850,047,623,548,826,880
  5. Step 5: Solve for x
    x = 850,047,623,548,826,880/1,242,846,960.48
  6. Step 6: Final answer
    x = 683,951,967.20

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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.