Home / 356,515,791.84-534,775,533.12-162,291,378

Finding the Fourth Proportional to 356,515,791.84, 534,775,533.12 and 162,291,378

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Solution

The fourth proportional to 356,515,791.84, 534,775,533.12 and 162,291,378 is: 243,437,907.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,515,791.84 : 534,775,533.12 = 162,291,378 : x
  2. Step 2: Convert to fraction form
    356,515,791.84/534,775,533.12 = 162,291,378/x
  3. Step 3: Cross multiply
    356,515,791.84x = 534,775,533.12 × 162,291,378
  4. Step 4: Simplify right side
    356,515,791.84x = 86,789,458,190,729,440
  5. Step 5: Solve for x
    x = 86,789,458,190,729,440/356,515,791.84
  6. Step 6: Final answer
    x = 243,437,907.04

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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.