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Finding the Fourth Proportional to 638,443,595.55, 957,665,393.33 and 638,443,595.55

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Solution

The fourth proportional to 638,443,595.55, 957,665,393.33 and 638,443,595.55 is: 957,665,393.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,443,595.55 : 957,665,393.33 = 638,443,595.55 : x
  2. Step 2: Convert to fraction form
    638,443,595.55/957,665,393.33 = 638,443,595.55/x
  3. Step 3: Cross multiply
    638,443,595.55x = 957,665,393.33 × 638,443,595.55
  4. Step 4: Simplify right side
    638,443,595.55x = 611,415,337,048,217,984
  5. Step 5: Solve for x
    x = 611,415,337,048,217,984/638,443,595.55
  6. Step 6: Final answer
    x = 957,665,393.33

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