Home / 669,365,338.20-1,004,048,007.30-238,388,314.20

Finding the Fourth Proportional to 669,365,338.20, 1,004,048,007.30 and 238,388,314.20

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Solution

The fourth proportional to 669,365,338.20, 1,004,048,007.30 and 238,388,314.20 is: 357,582,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,365,338.20 : 1,004,048,007.30 = 238,388,314.20 : x
  2. Step 2: Convert to fraction form
    669,365,338.20/1,004,048,007.30 = 238,388,314.20/x
  3. Step 3: Cross multiply
    669,365,338.20x = 1,004,048,007.30 × 238,388,314.20
  4. Step 4: Simplify right side
    669,365,338.20x = 239,353,311,836,116,256
  5. Step 5: Solve for x
    x = 239,353,311,836,116,256/669,365,338.20
  6. Step 6: Final answer
    x = 357,582,471.30

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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.