Finding the Fourth Proportional to 5,481,342,024.15, 7,564,056,278.33 and 3,102,428,885.55
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Solution
The fourth proportional to 5,481,342,024.15, 7,564,056,278.33 and 3,102,428,885.55 is: 4,281,241,087.75
Step by Step Solution
- Step 1: Write the proportion equation
5,481,342,024.15 : 7,564,056,278.33 = 3,102,428,885.55 : x - Step 2: Convert to fraction form
5,481,342,024.15/7,564,056,278.33 = 3,102,428,885.55/x - Step 3: Cross multiply
5,481,342,024.15x = 7,564,056,278.33 × 3,102,428,885.55 - Step 4: Simplify right side
5,481,342,024.15x = 23,466,946,689,801,310,208 - Step 5: Solve for x
x = 23,466,946,689,801,310,208/5,481,342,024.15 - Step 6: Final answer
x = 4,281,241,087.75
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1.5x scale
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.