Finding the Fourth Proportional to 345,285,488.34, 476,488,413.09 and 188,649,232.02
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Solution
The fourth proportional to 345,285,488.34, 476,488,413.09 and 188,649,232.02 is: 260,332,901.99
Step by Step Solution
- Step 1: Write the proportion equation
345,285,488.34 : 476,488,413.09 = 188,649,232.02 : x - Step 2: Convert to fraction form
345,285,488.34/476,488,413.09 = 188,649,232.02/x - Step 3: Cross multiply
345,285,488.34x = 476,488,413.09 × 188,649,232.02 - Step 4: Simplify right side
345,285,488.34x = 89,889,173,195,857,008 - Step 5: Solve for x
x = 89,889,173,195,857,008/345,285,488.34 - Step 6: Final answer
x = 260,332,901.99
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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.