Finding the Fourth Proportional to 291,509,834.82, 402,283,602.18 and 159,351,369.84
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Solution
The fourth proportional to 291,509,834.82, 402,283,602.18 and 159,351,369.84 is: 219,904,906.85
Step by Step Solution
- Step 1: Write the proportion equation
291,509,834.82 : 402,283,602.18 = 159,351,369.84 : x - Step 2: Convert to fraction form
291,509,834.82/402,283,602.18 = 159,351,369.84/x - Step 3: Cross multiply
291,509,834.82x = 402,283,602.18 × 159,351,369.84 - Step 4: Simplify right side
291,509,834.82x = 64,104,443,071,552,616 - Step 5: Solve for x
x = 64,104,443,071,552,616/291,509,834.82 - Step 6: Final answer
x = 219,904,906.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.