Home / 437,538,140.40-655,425,412.20-273,271,695.60

Finding the Fourth Proportional to 437,538,140.40, 655,425,412.20 and 273,271,695.60

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Solution

The fourth proportional to 437,538,140.40, 655,425,412.20 and 273,271,695.60 is: 409,356,801.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,538,140.40 : 655,425,412.20 = 273,271,695.60 : x
  2. Step 2: Convert to fraction form
    437,538,140.40/655,425,412.20 = 273,271,695.60/x
  3. Step 3: Cross multiply
    437,538,140.40x = 655,425,412.20 × 273,271,695.60
  4. Step 4: Simplify right side
    437,538,140.40x = 179,109,213,731,222,944
  5. Step 5: Solve for x
    x = 179,109,213,731,222,944/437,538,140.40
  6. Step 6: Final answer
    x = 409,356,801.60

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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.