Home / 688,497,682.05-1,032,949,145.25-222,150,357.54

Finding the Fourth Proportional to 688,497,682.05, 1,032,949,145.25 and 222,150,357.54

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Solution

The fourth proportional to 688,497,682.05, 1,032,949,145.25 and 222,150,357.54 is: 333,290,914.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,497,682.05 : 1,032,949,145.25 = 222,150,357.54 : x
  2. Step 2: Convert to fraction form
    688,497,682.05/1,032,949,145.25 = 222,150,357.54/x
  3. Step 3: Cross multiply
    688,497,682.05x = 1,032,949,145.25 × 222,150,357.54
  4. Step 4: Simplify right side
    688,497,682.05x = 229,470,021,937,924,896
  5. Step 5: Solve for x
    x = 229,470,021,937,924,896/688,497,682.05
  6. Step 6: Final answer
    x = 333,290,914.29

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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.