Finding the Fourth Proportional to 428,053,204.68, 590,716,445.77 and 232,482,916.68
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Solution
The fourth proportional to 428,053,204.68, 590,716,445.77 and 232,482,916.68 is: 320,828,067.03
Step by Step Solution
- Step 1: Write the proportion equation
428,053,204.68 : 590,716,445.77 = 232,482,916.68 : x - Step 2: Convert to fraction form
428,053,204.68/590,716,445.77 = 232,482,916.68/x - Step 3: Cross multiply
428,053,204.68x = 590,716,445.77 × 232,482,916.68 - Step 4: Simplify right side
428,053,204.68x = 137,331,482,243,452,656 - Step 5: Solve for x
x = 137,331,482,243,452,656/428,053,204.68 - Step 6: Final answer
x = 320,828,067.03
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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.