Home / 441,782,588.89-609,661,814.12-243,539,728.57

Finding the Fourth Proportional to 441,782,588.89, 609,661,814.12 and 243,539,728.57

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Solution

The fourth proportional to 441,782,588.89, 609,661,814.12 and 243,539,728.57 is: 336,085,840.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,782,588.89 : 609,661,814.12 = 243,539,728.57 : x
  2. Step 2: Convert to fraction form
    441,782,588.89/609,661,814.12 = 243,539,728.57/x
  3. Step 3: Cross multiply
    441,782,588.89x = 609,661,814.12 × 243,539,728.57
  4. Step 4: Simplify right side
    441,782,588.89x = 148,476,872,728,450,016
  5. Step 5: Solve for x
    x = 148,476,872,728,450,016/441,782,588.89
  6. Step 6: Final answer
    x = 336,085,840.55

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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.