Finding the Fourth Proportional to 529,345,555.11, 730,517,022.68 and 294,413,203.71
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Solution
The fourth proportional to 529,345,555.11, 730,517,022.68 and 294,413,203.71 is: 406,301,431.90
Step by Step Solution
- Step 1: Write the proportion equation
529,345,555.11 : 730,517,022.68 = 294,413,203.71 : x - Step 2: Convert to fraction form
529,345,555.11/730,517,022.68 = 294,413,203.71/x - Step 3: Cross multiply
529,345,555.11x = 730,517,022.68 × 294,413,203.71 - Step 4: Simplify right side
529,345,555.11x = 215,073,857,010,437,440 - Step 5: Solve for x
x = 215,073,857,010,437,440/529,345,555.11 - Step 6: Final answer
x = 406,301,431.90
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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.