Finding the Fourth Proportional to 328,875,812.62, 493,152,293.47 and 162,687,304.17
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Solution
The fourth proportional to 328,875,812.62, 493,152,293.47 and 162,687,304.17 is: 243,951,102.79
Step by Step Solution
- Step 1: Write the proportion equation
328,875,812.62 : 493,152,293.47 = 162,687,304.17 : x - Step 2: Convert to fraction form
328,875,812.62/493,152,293.47 = 162,687,304.17/x - Step 3: Cross multiply
328,875,812.62x = 493,152,293.47 × 162,687,304.17 - Step 4: Simplify right side
328,875,812.62x = 80,229,617,169,886,992 - Step 5: Solve for x
x = 80,229,617,169,886,992/328,875,812.62 - Step 6: Final answer
x = 243,951,102.79
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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.