Finding the Fourth Proportional to 352,464,359.59, 486,413,943.12 and 211,358,553.37
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Solution
The fourth proportional to 352,464,359.59, 486,413,943.12 and 211,358,553.37 is: 291,682,675.31
Step by Step Solution
- Step 1: Write the proportion equation
352,464,359.59 : 486,413,943.12 = 211,358,553.37 : x - Step 2: Convert to fraction form
352,464,359.59/486,413,943.12 = 211,358,553.37/x - Step 3: Cross multiply
352,464,359.59x = 486,413,943.12 × 211,358,553.37 - Step 4: Simplify right side
352,464,359.59x = 102,807,747,354,408,608 - Step 5: Solve for x
x = 102,807,747,354,408,608/352,464,359.59 - Step 6: Final answer
x = 291,682,675.31
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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.