Home / 1,978,737,471.77-2,968,208,362.47-504,890,178.17

Finding the Fourth Proportional to 1,978,737,471.77, 2,968,208,362.47 and 504,890,178.17

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Solution

The fourth proportional to 1,978,737,471.77, 2,968,208,362.47 and 504,890,178.17 is: 757,361,332.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,737,471.77 : 2,968,208,362.47 = 504,890,178.17 : x
  2. Step 2: Convert to fraction form
    1,978,737,471.77/2,968,208,362.47 = 504,890,178.17/x
  3. Step 3: Cross multiply
    1,978,737,471.77x = 2,968,208,362.47 × 504,890,178.17
  4. Step 4: Simplify right side
    1,978,737,471.77x = 1,498,619,248,973,162,240
  5. Step 5: Solve for x
    x = 1,498,619,248,973,162,240/1,978,737,471.77
  6. Step 6: Final answer
    x = 757,361,332.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.