Home / 1,122,022,147.70-1,683,033,221.55-304,134,448.70

Finding the Fourth Proportional to 1,122,022,147.70, 1,683,033,221.55 and 304,134,448.70

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Solution

The fourth proportional to 1,122,022,147.70, 1,683,033,221.55 and 304,134,448.70 is: 456,201,673.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,022,147.70 : 1,683,033,221.55 = 304,134,448.70 : x
  2. Step 2: Convert to fraction form
    1,122,022,147.70/1,683,033,221.55 = 304,134,448.70/x
  3. Step 3: Cross multiply
    1,122,022,147.70x = 1,683,033,221.55 × 304,134,448.70
  4. Step 4: Simplify right side
    1,122,022,147.70x = 511,868,380,979,894,144
  5. Step 5: Solve for x
    x = 511,868,380,979,894,144/1,122,022,147.70
  6. Step 6: Final answer
    x = 456,201,673.05

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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.