Home / 275,281,038,848.03-379,837,403,745.18-153,342,738,749.89

Finding the Fourth Proportional to 275,281,038,848.03, 379,837,403,745.18 and 153,342,738,749.89

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Solution

The fourth proportional to 275,281,038,848.03, 379,837,403,745.18 and 153,342,738,749.89 is: 211,584,887,988.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,281,038,848.03 : 379,837,403,745.18 = 153,342,738,749.89 : x
  2. Step 2: Convert to fraction form
    275,281,038,848.03/379,837,403,745.18 = 153,342,738,749.89/x
  3. Step 3: Cross multiply
    275,281,038,848.03x = 379,837,403,745.18 × 153,342,738,749.89
  4. Step 4: Simplify right side
    275,281,038,848.03x = 58,245,307,769,933,629,751,296
  5. Step 5: Solve for x
    x = 58,245,307,769,933,629,751,296/275,281,038,848.03
  6. Step 6: Final answer
    x = 211,584,887,988.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.