Finding the Fourth Proportional to 431,793,056.74, 647,691,482.62 and 136,689,626.27
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Solution
The fourth proportional to 431,793,056.74, 647,691,482.62 and 136,689,626.27 is: 205,035,040.09
Step by Step Solution
- Step 1: Write the proportion equation
431,793,056.74 : 647,691,482.62 = 136,689,626.27 : x - Step 2: Convert to fraction form
431,793,056.74/647,691,482.62 = 136,689,626.27/x - Step 3: Cross multiply
431,793,056.74x = 647,691,482.62 × 136,689,626.27 - Step 4: Simplify right side
431,793,056.74x = 88,532,706,697,590,016 - Step 5: Solve for x
x = 88,532,706,697,590,016/431,793,056.74 - Step 6: Final answer
x = 205,035,040.09
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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.