Home / 509,953,391.08-763,346,669.44-276,203,539.24

Finding the Fourth Proportional to 509,953,391.08, 763,346,669.44 and 276,203,539.24

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Solution

The fourth proportional to 509,953,391.08, 763,346,669.44 and 276,203,539.24 is: 413,447,690.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,953,391.08 : 763,346,669.44 = 276,203,539.24 : x
  2. Step 2: Convert to fraction form
    509,953,391.08/763,346,669.44 = 276,203,539.24/x
  3. Step 3: Cross multiply
    509,953,391.08x = 763,346,669.44 × 276,203,539.24
  4. Step 4: Simplify right side
    509,953,391.08x = 210,839,051,766,394,368
  5. Step 5: Solve for x
    x = 210,839,051,766,394,368/509,953,391.08
  6. Step 6: Final answer
    x = 413,447,690.42

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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.