Home / 355,113,261,190.26-490,460,798,881.11-240,729,298,915.48

Finding the Fourth Proportional to 355,113,261,190.26, 490,460,798,881.11 and 240,729,298,915.48

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Solution

The fourth proportional to 355,113,261,190.26, 490,460,798,881.11 and 240,729,298,915.48 is: 332,480,639,738.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,113,261,190.26 : 490,460,798,881.11 = 240,729,298,915.48 : x
  2. Step 2: Convert to fraction form
    355,113,261,190.26/490,460,798,881.11 = 240,729,298,915.48/x
  3. Step 3: Cross multiply
    355,113,261,190.26x = 490,460,798,881.11 × 240,729,298,915.48
  4. Step 4: Simplify right side
    355,113,261,190.26x = 118,068,284,260,175,856,009,216
  5. Step 5: Solve for x
    x = 118,068,284,260,175,856,009,216/355,113,261,190.26
  6. Step 6: Final answer
    x = 332,480,639,738.54

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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.