Finding the Fourth Proportional to 326,169,475.36, 489,255,219.44 and 80,526,138.40
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Solution
The fourth proportional to 326,169,475.36, 489,255,219.44 and 80,526,138.40 is: 120,789,456.06
Step by Step Solution
- Step 1: Write the proportion equation
326,169,475.36 : 489,255,219.44 = 80,526,138.40 : x - Step 2: Convert to fraction form
326,169,475.36/489,255,219.44 = 80,526,138.40/x - Step 3: Cross multiply
326,169,475.36x = 489,255,219.44 × 80,526,138.40 - Step 4: Simplify right side
326,169,475.36x = 39,397,833,513,547,816 - Step 5: Solve for x
x = 39,397,833,513,547,816/326,169,475.36 - Step 6: Final answer
x = 120,789,456.06
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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.