Home / 267,943,321.20-401,914,981.80-265,675,839.60

Finding the Fourth Proportional to 267,943,321.20, 401,914,981.80 and 265,675,839.60

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Solution

The fourth proportional to 267,943,321.20, 401,914,981.80 and 265,675,839.60 is: 398,513,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,943,321.20 : 401,914,981.80 = 265,675,839.60 : x
  2. Step 2: Convert to fraction form
    267,943,321.20/401,914,981.80 = 265,675,839.60/x
  3. Step 3: Cross multiply
    267,943,321.20x = 401,914,981.80 × 265,675,839.60
  4. Step 4: Simplify right side
    267,943,321.20x = 106,779,100,237,533,728
  5. Step 5: Solve for x
    x = 106,779,100,237,533,728/267,943,321.20
  6. Step 6: Final answer
    x = 398,513,759.40

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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.