Home / 850,978,861.02-1,273,850,241.48-555,237,176.28

Finding the Fourth Proportional to 850,978,861.02, 1,273,850,241.48 and 555,237,176.28

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Solution

The fourth proportional to 850,978,861.02, 1,273,850,241.48 and 555,237,176.28 is: 831,147,568.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,978,861.02 : 1,273,850,241.48 = 555,237,176.28 : x
  2. Step 2: Convert to fraction form
    850,978,861.02/1,273,850,241.48 = 555,237,176.28/x
  3. Step 3: Cross multiply
    850,978,861.02x = 1,273,850,241.48 × 555,237,176.28
  4. Step 4: Simplify right side
    850,978,861.02x = 707,289,011,082,951,296
  5. Step 5: Solve for x
    x = 707,289,011,082,951,296/850,978,861.02
  6. Step 6: Final answer
    x = 831,147,568.38

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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.