Finding the Fourth Proportional to 7,465,248,417.70, 11,197,872,626.55 and 2,556,290,721.70
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Solution
The fourth proportional to 7,465,248,417.70, 11,197,872,626.55 and 2,556,290,721.70 is: 3,834,436,082.55
Step by Step Solution
- Step 1: Write the proportion equation
7,465,248,417.70 : 11,197,872,626.55 = 2,556,290,721.70 : x - Step 2: Convert to fraction form
7,465,248,417.70/11,197,872,626.55 = 2,556,290,721.70/x - Step 3: Cross multiply
7,465,248,417.70x = 11,197,872,626.55 × 2,556,290,721.70 - Step 4: Simplify right side
7,465,248,417.70x = 28,625,017,898,028,171,264 - Step 5: Solve for x
x = 28,625,017,898,028,171,264/7,465,248,417.70 - Step 6: Final answer
x = 3,834,436,082.55
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Double scale
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Similar ratio
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1.5x scale
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.