Home / 767,526,190.11-1,059,186,144.03-415,102,180.82

Finding the Fourth Proportional to 767,526,190.11, 1,059,186,144.03 and 415,102,180.82

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Solution

The fourth proportional to 767,526,190.11, 1,059,186,144.03 and 415,102,180.82 is: 572,841,010.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,526,190.11 : 1,059,186,144.03 = 415,102,180.82 : x
  2. Step 2: Convert to fraction form
    767,526,190.11/1,059,186,144.03 = 415,102,180.82/x
  3. Step 3: Cross multiply
    767,526,190.11x = 1,059,186,144.03 × 415,102,180.82
  4. Step 4: Simplify right side
    767,526,190.11x = 439,670,478,275,883,648
  5. Step 5: Solve for x
    x = 439,670,478,275,883,648/767,526,190.11
  6. Step 6: Final answer
    x = 572,841,010.43

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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.