Finding the Fourth Proportional to 7,663,248,233.70, 11,494,872,350.55 and 2,142,497,408.10
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Solution
The fourth proportional to 7,663,248,233.70, 11,494,872,350.55 and 2,142,497,408.10 is: 3,213,746,112.15
Step by Step Solution
- Step 1: Write the proportion equation
7,663,248,233.70 : 11,494,872,350.55 = 2,142,497,408.10 : x - Step 2: Convert to fraction form
7,663,248,233.70/11,494,872,350.55 = 2,142,497,408.10/x - Step 3: Cross multiply
7,663,248,233.70x = 11,494,872,350.55 × 2,142,497,408.10 - Step 4: Simplify right side
7,663,248,233.70x = 24,627,734,217,493,725,184 - Step 5: Solve for x
x = 24,627,734,217,493,725,184/7,663,248,233.70 - Step 6: Final answer
x = 3,213,746,112.15
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Double scale
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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.