Home / 1,027,091,221.64-1,539,678,367.26-405,311,602.48

Finding the Fourth Proportional to 1,027,091,221.64, 1,539,678,367.26 and 405,311,602.48

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Solution

The fourth proportional to 1,027,091,221.64, 1,539,678,367.26 and 405,311,602.48 is: 607,589,173.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,091,221.64 : 1,539,678,367.26 = 405,311,602.48 : x
  2. Step 2: Convert to fraction form
    1,027,091,221.64/1,539,678,367.26 = 405,311,602.48/x
  3. Step 3: Cross multiply
    1,027,091,221.64x = 1,539,678,367.26 × 405,311,602.48
  4. Step 4: Simplify right side
    1,027,091,221.64x = 624,049,506,337,940,608
  5. Step 5: Solve for x
    x = 624,049,506,337,940,608/1,027,091,221.64
  6. Step 6: Final answer
    x = 607,589,173.38

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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.