Home / 865,759,297.72-1,194,715,811.04-469,273,774.54

Finding the Fourth Proportional to 865,759,297.72, 1,194,715,811.04 and 469,273,774.54

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Solution

The fourth proportional to 865,759,297.72, 1,194,715,811.04 and 469,273,774.54 is: 647,580,452.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,759,297.72 : 1,194,715,811.04 = 469,273,774.54 : x
  2. Step 2: Convert to fraction form
    865,759,297.72/1,194,715,811.04 = 469,273,774.54/x
  3. Step 3: Cross multiply
    865,759,297.72x = 1,194,715,811.04 × 469,273,774.54
  4. Step 4: Simplify right side
    865,759,297.72x = 560,648,798,149,358,208
  5. Step 5: Solve for x
    x = 560,648,798,149,358,208/865,759,297.72
  6. Step 6: Final answer
    x = 647,580,452.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.