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Finding the Fourth Proportional to 268,903,501.60, 403,355,252.40 and 177,070,496.80

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Solution

The fourth proportional to 268,903,501.60, 403,355,252.40 and 177,070,496.80 is: 265,605,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,903,501.60 : 403,355,252.40 = 177,070,496.80 : x
  2. Step 2: Convert to fraction form
    268,903,501.60/403,355,252.40 = 177,070,496.80/x
  3. Step 3: Cross multiply
    268,903,501.60x = 403,355,252.40 × 177,070,496.80
  4. Step 4: Simplify right side
    268,903,501.60x = 71,422,314,929,357,392
  5. Step 5: Solve for x
    x = 71,422,314,929,357,392/268,903,501.60
  6. Step 6: Final answer
    x = 265,605,745.20

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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.