Home / 912,540,999.77-1,259,306,914.44-494,853,174.35

Finding the Fourth Proportional to 912,540,999.77, 1,259,306,914.44 and 494,853,174.35

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Solution

The fourth proportional to 912,540,999.77, 1,259,306,914.44 and 494,853,174.35 is: 682,897,562.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,540,999.77 : 1,259,306,914.44 = 494,853,174.35 : x
  2. Step 2: Convert to fraction form
    912,540,999.77/1,259,306,914.44 = 494,853,174.35/x
  3. Step 3: Cross multiply
    912,540,999.77x = 1,259,306,914.44 × 494,853,174.35
  4. Step 4: Simplify right side
    912,540,999.77x = 623,172,024,091,782,144
  5. Step 5: Solve for x
    x = 623,172,024,091,782,144/912,540,999.77
  6. Step 6: Final answer
    x = 682,897,562.14

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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.