Finding the Fourth Proportional to 328,878,211.23, 493,278,916.42 and 132,133,660.02
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Solution
The fourth proportional to 328,878,211.23, 493,278,916.42 and 132,133,660.02 is: 198,185,061.86
Step by Step Solution
- Step 1: Write the proportion equation
328,878,211.23 : 493,278,916.42 = 132,133,660.02 : x - Step 2: Convert to fraction form
328,878,211.23/493,278,916.42 = 132,133,660.02/x - Step 3: Cross multiply
328,878,211.23x = 493,278,916.42 × 132,133,660.02 - Step 4: Simplify right side
328,878,211.23x = 65,178,748,637,274,272 - Step 5: Solve for x
x = 65,178,748,637,274,272/328,878,211.23 - Step 6: Final answer
x = 198,185,061.86
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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.