Finding the Fourth Proportional to 403,730,879.56, 557,252,276.76 and 262,952,906.00
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Solution
The fourth proportional to 403,730,879.56, 557,252,276.76 and 262,952,906.00 is: 362,942,526.74
Step by Step Solution
- Step 1: Write the proportion equation
403,730,879.56 : 557,252,276.76 = 262,952,906.00 : x - Step 2: Convert to fraction form
403,730,879.56/557,252,276.76 = 262,952,906.00/x - Step 3: Cross multiply
403,730,879.56x = 557,252,276.76 × 262,952,906.00 - Step 4: Simplify right side
403,730,879.56x = 146,531,105,551,025,728 - Step 5: Solve for x
x = 146,531,105,551,025,728/403,730,879.56 - Step 6: Final answer
x = 362,942,526.74
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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.