Home / 669,365,351.20-1,004,048,026.80-238,388,327.20

Finding the Fourth Proportional to 669,365,351.20, 1,004,048,026.80 and 238,388,327.20

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Solution

The fourth proportional to 669,365,351.20, 1,004,048,026.80 and 238,388,327.20 is: 357,582,490.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,365,351.20 : 1,004,048,026.80 = 238,388,327.20 : x
  2. Step 2: Convert to fraction form
    669,365,351.20/1,004,048,026.80 = 238,388,327.20/x
  3. Step 3: Cross multiply
    669,365,351.20x = 1,004,048,026.80 × 238,388,327.20
  4. Step 4: Simplify right side
    669,365,351.20x = 239,353,329,537,312,736
  5. Step 5: Solve for x
    x = 239,353,329,537,312,736/669,365,351.20
  6. Step 6: Final answer
    x = 357,582,490.80

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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.