Finding the Fourth Proportional to 384,007,944.12, 529,932,367.98 and 207,795,941.88
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Solution
The fourth proportional to 384,007,944.12, 529,932,367.98 and 207,795,941.88 is: 286,759,160.12
Step by Step Solution
- Step 1: Write the proportion equation
384,007,944.12 : 529,932,367.98 = 207,795,941.88 : x - Step 2: Convert to fraction form
384,007,944.12/529,932,367.98 = 207,795,941.88/x - Step 3: Cross multiply
384,007,944.12x = 529,932,367.98 × 207,795,941.88 - Step 4: Simplify right side
384,007,944.12x = 110,117,795,537,102,848 - Step 5: Solve for x
x = 110,117,795,537,102,848/384,007,944.12 - Step 6: Final answer
x = 286,759,160.12
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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.