Finding the Fourth Proportional to 1,874,812,049.18, 2,812,764,128.79 and 839,430,792.26
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Solution
The fourth proportional to 1,874,812,049.18, 2,812,764,128.79 and 839,430,792.26 is: 1,259,390,679.78
Step by Step Solution
- Step 1: Write the proportion equation
1,874,812,049.18 : 2,812,764,128.79 = 839,430,792.26 : x - Step 2: Convert to fraction form
1,874,812,049.18/2,812,764,128.79 = 839,430,792.26/x - Step 3: Cross multiply
1,874,812,049.18x = 2,812,764,128.79 × 839,430,792.26 - Step 4: Simplify right side
1,874,812,049.18x = 2,361,120,821,070,698,496 - Step 5: Solve for x
x = 2,361,120,821,070,698,496/1,874,812,049.18 - Step 6: Final answer
x = 1,259,390,679.78
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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.