Finding the Fourth Proportional to 904,717,907.91, 1,356,299,639.38 and 314,431,463.25
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Solution
The fourth proportional to 904,717,907.91, 1,356,299,639.38 and 314,431,463.25 is: 471,377,073.99
Step by Step Solution
- Step 1: Write the proportion equation
904,717,907.91 : 1,356,299,639.38 = 314,431,463.25 : x - Step 2: Convert to fraction form
904,717,907.91/1,356,299,639.38 = 314,431,463.25/x - Step 3: Cross multiply
904,717,907.91x = 1,356,299,639.38 × 314,431,463.25 - Step 4: Simplify right side
904,717,907.91x = 426,463,280,215,700,736 - Step 5: Solve for x
x = 426,463,280,215,700,736/904,717,907.91 - Step 6: Final answer
x = 471,377,073.99
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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.