Home / 695,887,998,524.05-960,409,039,045.80-421,525,600,822.22

Finding the Fourth Proportional to 695,887,998,524.05, 960,409,039,045.80 and 421,525,600,822.22

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Solution

The fourth proportional to 695,887,998,524.05, 960,409,039,045.80 and 421,525,600,822.22 is: 581,755,969,462.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,887,998,524.05 : 960,409,039,045.80 = 421,525,600,822.22 : x
  2. Step 2: Convert to fraction form
    695,887,998,524.05/960,409,039,045.80 = 421,525,600,822.22/x
  3. Step 3: Cross multiply
    695,887,998,524.05x = 960,409,039,045.80 × 421,525,600,822.22
  4. Step 4: Simplify right side
    695,887,998,524.05x = 404,836,997,218,871,799,709,696
  5. Step 5: Solve for x
    x = 404,836,997,218,871,799,709,696/695,887,998,524.05
  6. Step 6: Final answer
    x = 581,755,969,462.78

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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.