Finding the Fourth Proportional to 4,793,408,284.89, 6,615,107,722.85 and 2,678,864,166.85
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Solution
The fourth proportional to 4,793,408,284.89, 6,615,107,722.85 and 2,678,864,166.85 is: 3,696,946,720.45
Step by Step Solution
- Step 1: Write the proportion equation
4,793,408,284.89 : 6,615,107,722.85 = 2,678,864,166.85 : x - Step 2: Convert to fraction form
4,793,408,284.89/6,615,107,722.85 = 2,678,864,166.85/x - Step 3: Cross multiply
4,793,408,284.89x = 6,615,107,722.85 × 2,678,864,166.85 - Step 4: Simplify right side
4,793,408,284.89x = 17,720,975,038,585,724,928 - Step 5: Solve for x
x = 17,720,975,038,585,724,928/4,793,408,284.89 - Step 6: Final answer
x = 3,696,946,720.45
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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.