Finding the Fourth Proportional to 1,888,272,912.60, 2,832,409,368.90 and 1,071,979,536.60
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Solution
The fourth proportional to 1,888,272,912.60, 2,832,409,368.90 and 1,071,979,536.60 is: 1,607,969,304.90
Step by Step Solution
- Step 1: Write the proportion equation
1,888,272,912.60 : 2,832,409,368.90 = 1,071,979,536.60 : x - Step 2: Convert to fraction form
1,888,272,912.60/2,832,409,368.90 = 1,071,979,536.60/x - Step 3: Cross multiply
1,888,272,912.60x = 2,832,409,368.90 × 1,071,979,536.60 - Step 4: Simplify right side
1,888,272,912.60x = 3,036,284,882,734,920,704 - Step 5: Solve for x
x = 3,036,284,882,734,920,704/1,888,272,912.60 - Step 6: Final answer
x = 1,607,969,304.90
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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.