Home / 672,346,536.72-927,839,458.76-375,007,944.09

Finding the Fourth Proportional to 672,346,536.72, 927,839,458.76 and 375,007,944.09

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Solution

The fourth proportional to 672,346,536.72, 927,839,458.76 and 375,007,944.09 is: 517,511,653.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,346,536.72 : 927,839,458.76 = 375,007,944.09 : x
  2. Step 2: Convert to fraction form
    672,346,536.72/927,839,458.76 = 375,007,944.09/x
  3. Step 3: Cross multiply
    672,346,536.72x = 927,839,458.76 × 375,007,944.09
  4. Step 4: Simplify right side
    672,346,536.72x = 347,947,167,873,290,880
  5. Step 5: Solve for x
    x = 347,947,167,873,290,880/672,346,536.72
  6. Step 6: Final answer
    x = 517,511,653.40

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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.