Home / 1,172,502,099,311.10-1,757,745,865,785.90-407,490,858,758.60

Finding the Fourth Proportional to 1,172,502,099,311.10, 1,757,745,865,785.90 and 407,490,858,758.60

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Solution

The fourth proportional to 1,172,502,099,311.10, 1,757,745,865,785.90 and 407,490,858,758.60 is: 610,886,217,388.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,502,099,311.10 : 1,757,745,865,785.90 = 407,490,858,758.60 : x
  2. Step 2: Convert to fraction form
    1,172,502,099,311.10/1,757,745,865,785.90 = 407,490,858,758.60/x
  3. Step 3: Cross multiply
    1,172,502,099,311.10x = 1,757,745,865,785.90 × 407,490,858,758.60
  4. Step 4: Simplify right side
    1,172,502,099,311.10x = 716,265,372,328,475,232,305,152
  5. Step 5: Solve for x
    x = 716,265,372,328,475,232,305,152/1,172,502,099,311.10
  6. Step 6: Final answer
    x = 610,886,217,388.71

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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.