Finding the Fourth Proportional to 1,370,184,452.08, 1,890,856,368.38 and 743,652,880
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Solution
The fourth proportional to 1,370,184,452.08, 1,890,856,368.38 and 743,652,880 is: 1,026,241,964.63
Step by Step Solution
- Step 1: Write the proportion equation
1,370,184,452.08 : 1,890,856,368.38 = 743,652,880 : x - Step 2: Convert to fraction form
1,370,184,452.08/1,890,856,368.38 = 743,652,880/x - Step 3: Cross multiply
1,370,184,452.08x = 1,890,856,368.38 × 743,652,880 - Step 4: Simplify right side
1,370,184,452.08x = 1,406,140,784,012,128,000 - Step 5: Solve for x
x = 1,406,140,784,012,128,000/1,370,184,452.08 - Step 6: Final answer
x = 1,026,241,964.63
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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.