Home / 519,034,890,821.28-778,776,071,052.24-280,222,123,888.72

Finding the Fourth Proportional to 519,034,890,821.28, 778,776,071,052.24 and 280,222,123,888.72

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Solution

The fourth proportional to 519,034,890,821.28, 778,776,071,052.24 and 280,222,123,888.72 is: 420,453,978,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,034,890,821.28 : 778,776,071,052.24 = 280,222,123,888.72 : x
  2. Step 2: Convert to fraction form
    519,034,890,821.28/778,776,071,052.24 = 280,222,123,888.72/x
  3. Step 3: Cross multiply
    519,034,890,821.28x = 778,776,071,052.24 × 280,222,123,888.72
  4. Step 4: Simplify right side
    519,034,890,821.28x = 218,230,284,663,971,370,762,240
  5. Step 5: Solve for x
    x = 218,230,284,663,971,370,762,240/519,034,890,821.28
  6. Step 6: Final answer
    x = 420,453,978,187.60

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