Home / 319,687,410.42-441,168,621.03-173,009,694.42

Finding the Fourth Proportional to 319,687,410.42, 441,168,621.03 and 173,009,694.42

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Solution

The fourth proportional to 319,687,410.42, 441,168,621.03 and 173,009,694.42 is: 238,753,375.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,687,410.42 : 441,168,621.03 = 173,009,694.42 : x
  2. Step 2: Convert to fraction form
    319,687,410.42/441,168,621.03 = 173,009,694.42/x
  3. Step 3: Cross multiply
    319,687,410.42x = 441,168,621.03 × 173,009,694.42
  4. Step 4: Simplify right side
    319,687,410.42x = 76,326,448,312,093,072
  5. Step 5: Solve for x
    x = 76,326,448,312,093,072/319,687,410.42
  6. Step 6: Final answer
    x = 238,753,375.40

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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.