Home / 669,222,364.10-1,003,833,546.15-209,159,795.30

Finding the Fourth Proportional to 669,222,364.10, 1,003,833,546.15 and 209,159,795.30

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Solution

The fourth proportional to 669,222,364.10, 1,003,833,546.15 and 209,159,795.30 is: 313,739,692.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,222,364.10 : 1,003,833,546.15 = 209,159,795.30 : x
  2. Step 2: Convert to fraction form
    669,222,364.10/1,003,833,546.15 = 209,159,795.30/x
  3. Step 3: Cross multiply
    669,222,364.10x = 1,003,833,546.15 × 209,159,795.30
  4. Step 4: Simplify right side
    669,222,364.10x = 209,961,619,028,007,104
  5. Step 5: Solve for x
    x = 209,961,619,028,007,104/669,222,364.10
  6. Step 6: Final answer
    x = 313,739,692.95

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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.