Finding the Fourth Proportional to 403,730,876.48, 557,252,272.50 and 262,952,902.92
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Solution
The fourth proportional to 403,730,876.48, 557,252,272.50 and 262,952,902.92 is: 362,942,522.48
Step by Step Solution
- Step 1: Write the proportion equation
403,730,876.48 : 557,252,272.50 = 262,952,902.92 : x - Step 2: Convert to fraction form
403,730,876.48/557,252,272.50 = 262,952,902.92/x - Step 3: Cross multiply
403,730,876.48x = 557,252,272.50 × 262,952,902.92 - Step 4: Simplify right side
403,730,876.48x = 146,531,102,713,627,936 - Step 5: Solve for x
x = 146,531,102,713,627,936/403,730,876.48 - Step 6: Final answer
x = 362,942,522.48
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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.