Home / 695,887,998,524.56-960,409,039,046.46-421,525,600,822.72

Finding the Fourth Proportional to 695,887,998,524.56, 960,409,039,046.46 and 421,525,600,822.72

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Solution

The fourth proportional to 695,887,998,524.56, 960,409,039,046.46 and 421,525,600,822.72 is: 581,755,969,463.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,887,998,524.56 : 960,409,039,046.46 = 421,525,600,822.72 : x
  2. Step 2: Convert to fraction form
    695,887,998,524.56/960,409,039,046.46 = 421,525,600,822.72/x
  3. Step 3: Cross multiply
    695,887,998,524.56x = 960,409,039,046.46 × 421,525,600,822.72
  4. Step 4: Simplify right side
    695,887,998,524.56x = 404,836,997,219,630,129,872,896
  5. Step 5: Solve for x
    x = 404,836,997,219,630,129,872,896/695,887,998,524.56
  6. Step 6: Final answer
    x = 581,755,969,463.44

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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.