Home / 694,961,550.09-958,813,606.67-393,505,670.25

Finding the Fourth Proportional to 694,961,550.09, 958,813,606.67 and 393,505,670.25

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Solution

The fourth proportional to 694,961,550.09, 958,813,606.67 and 393,505,670.25 is: 542,905,705.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,961,550.09 : 958,813,606.67 = 393,505,670.25 : x
  2. Step 2: Convert to fraction form
    694,961,550.09/958,813,606.67 = 393,505,670.25/x
  3. Step 3: Cross multiply
    694,961,550.09x = 958,813,606.67 × 393,505,670.25
  4. Step 4: Simplify right side
    694,961,550.09x = 377,298,590,935,530,688
  5. Step 5: Solve for x
    x = 377,298,590,935,530,688/694,961,550.09
  6. Step 6: Final answer
    x = 542,905,705.92

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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.