Finding the Fourth Proportional to 328,442,260.59, 492,650,436.99 and 121,091,032.80
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Solution
The fourth proportional to 328,442,260.59, 492,650,436.99 and 121,091,032.80 is: 181,631,773.32
Step by Step Solution
- Step 1: Write the proportion equation
328,442,260.59 : 492,650,436.99 = 121,091,032.80 : x - Step 2: Convert to fraction form
328,442,260.59/492,650,436.99 = 121,091,032.80/x - Step 3: Cross multiply
328,442,260.59x = 492,650,436.99 × 121,091,032.80 - Step 4: Simplify right side
328,442,260.59x = 59,655,550,224,490,424 - Step 5: Solve for x
x = 59,655,550,224,490,424/328,442,260.59 - Step 6: Final answer
x = 181,631,773.32
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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.