Finding the Fourth Proportional to 613,469,283.84, 846,473,647.68 and 349,135,560.54
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Solution
The fourth proportional to 613,469,283.84, 846,473,647.68 and 349,135,560.54 is: 481,742,214.73
Step by Step Solution
- Step 1: Write the proportion equation
613,469,283.84 : 846,473,647.68 = 349,135,560.54 : x - Step 2: Convert to fraction form
613,469,283.84/846,473,647.68 = 349,135,560.54/x - Step 3: Cross multiply
613,469,283.84x = 846,473,647.68 × 349,135,560.54 - Step 4: Simplify right side
613,469,283.84x = 295,534,051,465,095,296 - Step 5: Solve for x
x = 295,534,051,465,095,296/613,469,283.84 - Step 6: Final answer
x = 481,742,214.73
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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.