Home / 444,224,447.20-666,336,670.80-262,378,021.60

Finding the Fourth Proportional to 444,224,447.20, 666,336,670.80 and 262,378,021.60

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Solution

The fourth proportional to 444,224,447.20, 666,336,670.80 and 262,378,021.60 is: 393,567,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,224,447.20 : 666,336,670.80 = 262,378,021.60 : x
  2. Step 2: Convert to fraction form
    444,224,447.20/666,336,670.80 = 262,378,021.60/x
  3. Step 3: Cross multiply
    444,224,447.20x = 666,336,670.80 × 262,378,021.60
  4. Step 4: Simplify right side
    444,224,447.20x = 174,832,097,404,034,464
  5. Step 5: Solve for x
    x = 174,832,097,404,034,464/444,224,447.20
  6. Step 6: Final answer
    x = 393,567,032.40

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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.