Home / 767,526,190.61-1,059,186,144.72-415,102,181.31

Finding the Fourth Proportional to 767,526,190.61, 1,059,186,144.72 and 415,102,181.31

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Solution

The fourth proportional to 767,526,190.61, 1,059,186,144.72 and 415,102,181.31 is: 572,841,011.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,526,190.61 : 1,059,186,144.72 = 415,102,181.31 : x
  2. Step 2: Convert to fraction form
    767,526,190.61/1,059,186,144.72 = 415,102,181.31/x
  3. Step 3: Cross multiply
    767,526,190.61x = 1,059,186,144.72 × 415,102,181.31
  4. Step 4: Simplify right side
    767,526,190.61x = 439,670,479,086,601,344
  5. Step 5: Solve for x
    x = 439,670,479,086,601,344/767,526,190.61
  6. Step 6: Final answer
    x = 572,841,011.12

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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.