Home / 437,445,811.20-656,168,716.80-404,189,414.40

Finding the Fourth Proportional to 437,445,811.20, 656,168,716.80 and 404,189,414.40

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Solution

The fourth proportional to 437,445,811.20, 656,168,716.80 and 404,189,414.40 is: 606,284,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,445,811.20 : 656,168,716.80 = 404,189,414.40 : x
  2. Step 2: Convert to fraction form
    437,445,811.20/656,168,716.80 = 404,189,414.40/x
  3. Step 3: Cross multiply
    437,445,811.20x = 656,168,716.80 × 404,189,414.40
  4. Step 4: Simplify right side
    437,445,811.20x = 265,216,449,390,991,392
  5. Step 5: Solve for x
    x = 265,216,449,390,991,392/437,445,811.20
  6. Step 6: Final answer
    x = 606,284,121.60

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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.