Finding the Fourth Proportional to 1,470,354,517.80, 2,206,183,081.41 and 770,680,372.77
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Solution
The fourth proportional to 1,470,354,517.80, 2,206,183,081.41 and 770,680,372.77 is: 1,156,361,937.88
Step by Step Solution
- Step 1: Write the proportion equation
1,470,354,517.80 : 2,206,183,081.41 = 770,680,372.77 : x - Step 2: Convert to fraction form
1,470,354,517.80/2,206,183,081.41 = 770,680,372.77/x - Step 3: Cross multiply
1,470,354,517.80x = 2,206,183,081.41 × 770,680,372.77 - Step 4: Simplify right side
1,470,354,517.80x = 1,700,261,999,579,926,016 - Step 5: Solve for x
x = 1,700,261,999,579,926,016/1,470,354,517.80 - Step 6: Final answer
x = 1,156,361,937.88
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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.