Finding the Fourth Proportional to 5,277,029,848.96, 7,282,273,023.56 and 2,865,691,263.74
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Solution
The fourth proportional to 5,277,029,848.96, 7,282,273,023.56 and 2,865,691,263.74 is: 3,954,638,647.33
Step by Step Solution
- Step 1: Write the proportion equation
5,277,029,848.96 : 7,282,273,023.56 = 2,865,691,263.74 : x - Step 2: Convert to fraction form
5,277,029,848.96/7,282,273,023.56 = 2,865,691,263.74/x - Step 3: Cross multiply
5,277,029,848.96x = 7,282,273,023.56 × 2,865,691,263.74 - Step 4: Simplify right side
5,277,029,848.96x = 20,868,746,183,785,365,504 - Step 5: Solve for x
x = 20,868,746,183,785,365,504/5,277,029,848.96 - Step 6: Final answer
x = 3,954,638,647.33
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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.