Finding the Fourth Proportional to 551,592,297.84, 761,202,505.66 and 304,082,509.44
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Solution
The fourth proportional to 551,592,297.84, 761,202,505.66 and 304,082,509.44 is: 419,636,693.66
Step by Step Solution
- Step 1: Write the proportion equation
551,592,297.84 : 761,202,505.66 = 304,082,509.44 : x - Step 2: Convert to fraction form
551,592,297.84/761,202,505.66 = 304,082,509.44/x - Step 3: Cross multiply
551,592,297.84x = 761,202,505.66 × 304,082,509.44 - Step 4: Simplify right side
551,592,297.84x = 231,468,368,113,108,576 - Step 5: Solve for x
x = 231,468,368,113,108,576/551,592,297.84 - Step 6: Final answer
x = 419,636,693.66
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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.