Home / 444,705,137.64-613,335,253.38-390,944,851.32

Finding the Fourth Proportional to 444,705,137.64, 613,335,253.38 and 390,944,851.32

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Solution

The fourth proportional to 444,705,137.64, 613,335,253.38 and 390,944,851.32 is: 539,189,317.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,705,137.64 : 613,335,253.38 = 390,944,851.32 : x
  2. Step 2: Convert to fraction form
    444,705,137.64/613,335,253.38 = 390,944,851.32/x
  3. Step 3: Cross multiply
    444,705,137.64x = 613,335,253.38 × 390,944,851.32
  4. Step 4: Simplify right side
    444,705,137.64x = 239,780,259,441,958,624
  5. Step 5: Solve for x
    x = 239,780,259,441,958,624/444,705,137.64
  6. Step 6: Final answer
    x = 539,189,317.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.