Finding the Fourth Proportional to 1,874,812,049.68, 2,812,764,129.54 and 839,430,792.76
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Solution
The fourth proportional to 1,874,812,049.68, 2,812,764,129.54 and 839,430,792.76 is: 1,259,390,680.53
Step by Step Solution
- Step 1: Write the proportion equation
1,874,812,049.68 : 2,812,764,129.54 = 839,430,792.76 : x - Step 2: Convert to fraction form
1,874,812,049.68/2,812,764,129.54 = 839,430,792.76/x - Step 3: Cross multiply
1,874,812,049.68x = 2,812,764,129.54 × 839,430,792.76 - Step 4: Simplify right side
1,874,812,049.68x = 2,361,120,823,106,653,696 - Step 5: Solve for x
x = 2,361,120,823,106,653,696/1,874,812,049.68 - Step 6: Final answer
x = 1,259,390,680.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.