Finding the Fourth Proportional to 7,465,248,420.70, 11,197,872,631.05 and 2,556,290,724.70
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Solution
The fourth proportional to 7,465,248,420.70, 11,197,872,631.05 and 2,556,290,724.70 is: 3,834,436,087.05
Step by Step Solution
- Step 1: Write the proportion equation
7,465,248,420.70 : 11,197,872,631.05 = 2,556,290,724.70 : x - Step 2: Convert to fraction form
7,465,248,420.70/11,197,872,631.05 = 2,556,290,724.70/x - Step 3: Cross multiply
7,465,248,420.70x = 11,197,872,631.05 × 2,556,290,724.70 - Step 4: Simplify right side
7,465,248,420.70x = 28,625,017,943,125,094,400 - Step 5: Solve for x
x = 28,625,017,943,125,094,400/7,465,248,420.70 - Step 6: Final answer
x = 3,834,436,087.05
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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.