Finding the Fourth Proportional to 919,122,141.42, 1,378,901,102.94 and 264,057,336
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Solution
The fourth proportional to 919,122,141.42, 1,378,901,102.94 and 264,057,336 is: 396,148,602.50
Step by Step Solution
- Step 1: Write the proportion equation
919,122,141.42 : 1,378,901,102.94 = 264,057,336 : x - Step 2: Convert to fraction form
919,122,141.42/1,378,901,102.94 = 264,057,336/x - Step 3: Cross multiply
919,122,141.42x = 1,378,901,102.94 × 264,057,336 - Step 4: Simplify right side
919,122,141.42x = 364,108,951,849,798,208 - Step 5: Solve for x
x = 364,108,951,849,798,208/919,122,141.42 - Step 6: Final answer
x = 396,148,602.50
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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.