Finding the Fourth Proportional to 1,657,802,276.40, 2,486,703,414.60 and 786,106,176.15
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Solution
The fourth proportional to 1,657,802,276.40, 2,486,703,414.60 and 786,106,176.15 is: 1,179,159,264.23
Step by Step Solution
- Step 1: Write the proportion equation
1,657,802,276.40 : 2,486,703,414.60 = 786,106,176.15 : x - Step 2: Convert to fraction form
1,657,802,276.40/2,486,703,414.60 = 786,106,176.15/x - Step 3: Cross multiply
1,657,802,276.40x = 2,486,703,414.60 × 786,106,176.15 - Step 4: Simplify right side
1,657,802,276.40x = 1,954,812,912,470,353,920 - Step 5: Solve for x
x = 1,954,812,912,470,353,920/1,657,802,276.40 - Step 6: Final answer
x = 1,179,159,264.23
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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.