Finding the Fourth Proportional to 322,365,557.84, 444,865,970.68 and 183,143,959.07
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Solution
The fourth proportional to 322,365,557.84, 444,865,970.68 and 183,143,959.07 is: 252,739,516.19
Step by Step Solution
- Step 1: Write the proportion equation
322,365,557.84 : 444,865,970.68 = 183,143,959.07 : x - Step 2: Convert to fraction form
322,365,557.84/444,865,970.68 = 183,143,959.07/x - Step 3: Cross multiply
322,365,557.84x = 444,865,970.68 × 183,143,959.07 - Step 4: Simplify right side
322,365,557.84x = 81,474,515,123,171,552 - Step 5: Solve for x
x = 81,474,515,123,171,552/322,365,557.84 - Step 6: Final answer
x = 252,739,516.19
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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.