Finding the Fourth Proportional to 2,268,634,596.19, 3,130,771,101.21 and 1,265,042,368.49
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Solution
The fourth proportional to 2,268,634,596.19, 3,130,771,101.21 and 1,265,042,368.49 is: 1,745,789,337.65
Step by Step Solution
- Step 1: Write the proportion equation
2,268,634,596.19 : 3,130,771,101.21 = 1,265,042,368.49 : x - Step 2: Convert to fraction form
2,268,634,596.19/3,130,771,101.21 = 1,265,042,368.49/x - Step 3: Cross multiply
2,268,634,596.19x = 3,130,771,101.21 × 1,265,042,368.49 - Step 4: Simplify right side
2,268,634,596.19x = 3,960,558,089,059,089,920 - Step 5: Solve for x
x = 3,960,558,089,059,089,920/2,268,634,596.19 - Step 6: Final answer
x = 1,745,789,337.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.