Finding the Fourth Proportional to 427,618,934.72, 590,114,129.96 and 232,048,646.72
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Solution
The fourth proportional to 427,618,934.72, 590,114,129.96 and 232,048,646.72 is: 320,227,132.50
Step by Step Solution
- Step 1: Write the proportion equation
427,618,934.72 : 590,114,129.96 = 232,048,646.72 : x - Step 2: Convert to fraction form
427,618,934.72/590,114,129.96 = 232,048,646.72/x - Step 3: Cross multiply
427,618,934.72x = 590,114,129.96 × 232,048,646.72 - Step 4: Simplify right side
427,618,934.72x = 136,935,185,267,568,208 - Step 5: Solve for x
x = 136,935,185,267,568,208/427,618,934.72 - Step 6: Final answer
x = 320,227,132.50
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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.