Finding the Fourth Proportional to 422,615,821.73, 633,626,706.79 and 186,153,141.68
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Solution
The fourth proportional to 422,615,821.73, 633,626,706.79 and 186,153,141.68 is: 279,098,879.07
Step by Step Solution
- Step 1: Write the proportion equation
422,615,821.73 : 633,626,706.79 = 186,153,141.68 : x - Step 2: Convert to fraction form
422,615,821.73/633,626,706.79 = 186,153,141.68/x - Step 3: Cross multiply
422,615,821.73x = 633,626,706.79 × 186,153,141.68 - Step 4: Simplify right side
422,615,821.73x = 117,951,602,121,310,688 - Step 5: Solve for x
x = 117,951,602,121,310,688/422,615,821.73 - Step 6: Final answer
x = 279,098,879.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.