Finding the Fourth Proportional to 442,887,605.10, 664,331,407.65 and 115,362,485.10
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Solution
The fourth proportional to 442,887,605.10, 664,331,407.65 and 115,362,485.10 is: 173,043,727.65
Step by Step Solution
- Step 1: Write the proportion equation
442,887,605.10 : 664,331,407.65 = 115,362,485.10 : x - Step 2: Convert to fraction form
442,887,605.10/664,331,407.65 = 115,362,485.10/x - Step 3: Cross multiply
442,887,605.10x = 664,331,407.65 × 115,362,485.10 - Step 4: Simplify right side
442,887,605.10x = 76,638,922,116,485,152 - Step 5: Solve for x
x = 76,638,922,116,485,152/442,887,605.10 - Step 6: Final answer
x = 173,043,727.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.