Home / 1,992,019,445.70-2,988,029,168.55-1,410,410,415.30

Finding the Fourth Proportional to 1,992,019,445.70, 2,988,029,168.55 and 1,410,410,415.30

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Solution

The fourth proportional to 1,992,019,445.70, 2,988,029,168.55 and 1,410,410,415.30 is: 2,115,615,622.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,019,445.70 : 2,988,029,168.55 = 1,410,410,415.30 : x
  2. Step 2: Convert to fraction form
    1,992,019,445.70/2,988,029,168.55 = 1,410,410,415.30/x
  3. Step 3: Cross multiply
    1,992,019,445.70x = 2,988,029,168.55 × 1,410,410,415.30
  4. Step 4: Simplify right side
    1,992,019,445.70x = 4,214,347,460,543,119,360
  5. Step 5: Solve for x
    x = 4,214,347,460,543,119,360/1,992,019,445.70
  6. Step 6: Final answer
    x = 2,115,615,622.95

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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.