Finding the Fourth Proportional to 497,793,799.36, 686,955,481 and 274,775,533.84
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Solution
The fourth proportional to 497,793,799.36, 686,955,481 and 274,775,533.84 is: 379,190,257.61
Step by Step Solution
- Step 1: Write the proportion equation
497,793,799.36 : 686,955,481 = 274,775,533.84 : x - Step 2: Convert to fraction form
497,793,799.36/686,955,481 = 274,775,533.84/x - Step 3: Cross multiply
497,793,799.36x = 686,955,481 × 274,775,533.84 - Step 4: Simplify right side
497,793,799.36x = 188,758,559,016,088,960 - Step 5: Solve for x
x = 188,758,559,016,088,960/497,793,799.36 - Step 6: Final answer
x = 379,190,257.61
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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.