Finding the Fourth Proportional to 4,536,615,812.80, 6,804,923,719.20 and 2,669,344,715.20
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Solution
The fourth proportional to 4,536,615,812.80, 6,804,923,719.20 and 2,669,344,715.20 is: 4,004,017,072.80
Step by Step Solution
- Step 1: Write the proportion equation
4,536,615,812.80 : 6,804,923,719.20 = 2,669,344,715.20 : x - Step 2: Convert to fraction form
4,536,615,812.80/6,804,923,719.20 = 2,669,344,715.20/x - Step 3: Cross multiply
4,536,615,812.80x = 6,804,923,719.20 × 2,669,344,715.20 - Step 4: Simplify right side
4,536,615,812.80x = 18,164,687,167,185,647,616 - Step 5: Solve for x
x = 18,164,687,167,185,647,616/4,536,615,812.80 - Step 6: Final answer
x = 4,004,017,072.80
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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.