Finding the Fourth Proportional to 3,175,749,878.64, 4,762,832,827.92 and 934,351,189.44
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Solution
The fourth proportional to 3,175,749,878.64, 4,762,832,827.92 and 934,351,189.44 is: 1,401,293,769.32
Step by Step Solution
- Step 1: Write the proportion equation
3,175,749,878.64 : 4,762,832,827.92 = 934,351,189.44 : x - Step 2: Convert to fraction form
3,175,749,878.64/4,762,832,827.92 = 934,351,189.44/x - Step 3: Cross multiply
3,175,749,878.64x = 4,762,832,827.92 × 934,351,189.44 - Step 4: Simplify right side
3,175,749,878.64x = 4,450,158,517,870,930,944 - Step 5: Solve for x
x = 4,450,158,517,870,930,944/3,175,749,878.64 - Step 6: Final answer
x = 1,401,293,769.32
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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.