Home / 1,112,526,807.82-1,667,520,761.97-448,115,573.86

Finding the Fourth Proportional to 1,112,526,807.82, 1,667,520,761.97 and 448,115,573.86

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Solution

The fourth proportional to 1,112,526,807.82, 1,667,520,761.97 and 448,115,573.86 is: 671,662,038.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,526,807.82 : 1,667,520,761.97 = 448,115,573.86 : x
  2. Step 2: Convert to fraction form
    1,112,526,807.82/1,667,520,761.97 = 448,115,573.86/x
  3. Step 3: Cross multiply
    1,112,526,807.82x = 1,667,520,761.97 × 448,115,573.86
  4. Step 4: Simplify right side
    1,112,526,807.82x = 747,242,023,173,651,072
  5. Step 5: Solve for x
    x = 747,242,023,173,651,072/1,112,526,807.82
  6. Step 6: Final answer
    x = 671,662,038.09

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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.