Home / 405,770,845,012.22-559,974,701,249.10-238,735,634,462.36

Finding the Fourth Proportional to 405,770,845,012.22, 559,974,701,249.10 and 238,735,634,462.36

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Solution

The fourth proportional to 405,770,845,012.22, 559,974,701,249.10 and 238,735,634,462.36 is: 329,461,609,252.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,770,845,012.22 : 559,974,701,249.10 = 238,735,634,462.36 : x
  2. Step 2: Convert to fraction form
    405,770,845,012.22/559,974,701,249.10 = 238,735,634,462.36/x
  3. Step 3: Cross multiply
    405,770,845,012.22x = 559,974,701,249.10 × 238,735,634,462.36
  4. Step 4: Simplify right side
    405,770,845,012.22x = 133,685,915,585,574,361,628,672
  5. Step 5: Solve for x
    x = 133,685,915,585,574,361,628,672/405,770,845,012.22
  6. Step 6: Final answer
    x = 329,461,609,252.75

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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.