Home / 405,770,845,419.34-559,974,701,808.48-238,735,634,867.60

Finding the Fourth Proportional to 405,770,845,419.34, 559,974,701,808.48 and 238,735,634,867.60

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Solution

The fourth proportional to 405,770,845,419.34, 559,974,701,808.48 and 238,735,634,867.60 is: 329,461,609,810.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,770,845,419.34 : 559,974,701,808.48 = 238,735,634,867.60 : x
  2. Step 2: Convert to fraction form
    405,770,845,419.34/559,974,701,808.48 = 238,735,634,867.60/x
  3. Step 3: Cross multiply
    405,770,845,419.34x = 559,974,701,808.48 × 238,735,634,867.60
  4. Step 4: Simplify right side
    405,770,845,419.34x = 133,685,915,946,042,477,510,656
  5. Step 5: Solve for x
    x = 133,685,915,946,042,477,510,656/405,770,845,419.34
  6. Step 6: Final answer
    x = 329,461,609,810.55

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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.