Home / 1,027,091,222.64-1,539,678,368.76-405,311,603.48

Finding the Fourth Proportional to 1,027,091,222.64, 1,539,678,368.76 and 405,311,603.48

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Solution

The fourth proportional to 1,027,091,222.64, 1,539,678,368.76 and 405,311,603.48 is: 607,589,174.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,091,222.64 : 1,539,678,368.76 = 405,311,603.48 : x
  2. Step 2: Convert to fraction form
    1,027,091,222.64/1,539,678,368.76 = 405,311,603.48/x
  3. Step 3: Cross multiply
    1,027,091,222.64x = 1,539,678,368.76 × 405,311,603.48
  4. Step 4: Simplify right side
    1,027,091,222.64x = 624,049,508,485,586,304
  5. Step 5: Solve for x
    x = 624,049,508,485,586,304/1,027,091,222.64
  6. Step 6: Final answer
    x = 607,589,174.88

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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.