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Finding the Fourth Proportional to 267,900,801.60, 401,851,202.40 and 190,806,427.20

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Solution

The fourth proportional to 267,900,801.60, 401,851,202.40 and 190,806,427.20 is: 286,209,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,900,801.60 : 401,851,202.40 = 190,806,427.20 : x
  2. Step 2: Convert to fraction form
    267,900,801.60/401,851,202.40 = 190,806,427.20/x
  3. Step 3: Cross multiply
    267,900,801.60x = 401,851,202.40 × 190,806,427.20
  4. Step 4: Simplify right side
    267,900,801.60x = 76,675,792,195,968,048
  5. Step 5: Solve for x
    x = 76,675,792,195,968,048/267,900,801.60
  6. Step 6: Final answer
    x = 286,209,640.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.