Finding the Fourth Proportional to 898,670,045,116.62, 1,348,468,519,769.80 and 421,187,852,141.28
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Solution
The fourth proportional to 898,670,045,116.62, 1,348,468,519,769.80 and 421,187,852,141.28 is: 631,998,988,514.49
Step by Step Solution
- Step 1: Write the proportion equation
898,670,045,116.62 : 1,348,468,519,769.80 = 421,187,852,141.28 : x - Step 2: Convert to fraction form
898,670,045,116.62/1,348,468,519,769.80 = 421,187,852,141.28/x - Step 3: Cross multiply
898,670,045,116.62x = 1,348,468,519,769.80 × 421,187,852,141.28 - Step 4: Simplify right side
898,670,045,116.62x = 567,958,559,521,973,313,994,752 - Step 5: Solve for x
x = 567,958,559,521,973,313,994,752/898,670,045,116.62 - Step 6: Final answer
x = 631,998,988,514.49
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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.