Home / 418,134,676.10-627,161,146.40-127,004,327.06

Finding the Fourth Proportional to 418,134,676.10, 627,161,146.40 and 127,004,327.06

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Solution

The fourth proportional to 418,134,676.10, 627,161,146.40 and 127,004,327.06 is: 190,494,077.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,134,676.10 : 627,161,146.40 = 127,004,327.06 : x
  2. Step 2: Convert to fraction form
    418,134,676.10/627,161,146.40 = 127,004,327.06/x
  3. Step 3: Cross multiply
    418,134,676.10x = 627,161,146.40 × 127,004,327.06
  4. Step 4: Simplify right side
    418,134,676.10x = 79,652,179,353,891,856
  5. Step 5: Solve for x
    x = 79,652,179,353,891,856/418,134,676.10
  6. Step 6: Final answer
    x = 190,494,077.41

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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.