Finding the Fourth Proportional to 682,677,588.98, 942,096,710.42 and 369,415,164.44
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Solution
The fourth proportional to 682,677,588.98, 942,096,710.42 and 369,415,164.44 is: 509,793,813.09
Step by Step Solution
- Step 1: Write the proportion equation
682,677,588.98 : 942,096,710.42 = 369,415,164.44 : x - Step 2: Convert to fraction form
682,677,588.98/942,096,710.42 = 369,415,164.44/x - Step 3: Cross multiply
682,677,588.98x = 942,096,710.42 × 369,415,164.44 - Step 4: Simplify right side
682,677,588.98x = 348,024,811,191,629,760 - Step 5: Solve for x
x = 348,024,811,191,629,760/682,677,588.98 - Step 6: Final answer
x = 509,793,813.09
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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.