Finding the Fourth Proportional to 551,592,296.84, 761,202,504.28 and 304,082,508.44
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Solution
The fourth proportional to 551,592,296.84, 761,202,504.28 and 304,082,508.44 is: 419,636,692.28
Step by Step Solution
- Step 1: Write the proportion equation
551,592,296.84 : 761,202,504.28 = 304,082,508.44 : x - Step 2: Convert to fraction form
551,592,296.84/761,202,504.28 = 304,082,508.44/x - Step 3: Cross multiply
551,592,296.84x = 761,202,504.28 × 304,082,508.44 - Step 4: Simplify right side
551,592,296.84x = 231,468,366,934,564,480 - Step 5: Solve for x
x = 231,468,366,934,564,480/551,592,296.84 - Step 6: Final answer
x = 419,636,692.28
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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.