Finding the Fourth Proportional to 7,036,349,947.38, 10,552,181,220.09 and 2,838,218,469.30
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Solution
The fourth proportional to 7,036,349,947.38, 10,552,181,220.09 and 2,838,218,469.30 is: 4,256,382,336.61
Step by Step Solution
- Step 1: Write the proportion equation
7,036,349,947.38 : 10,552,181,220.09 = 2,838,218,469.30 : x - Step 2: Convert to fraction form
7,036,349,947.38/10,552,181,220.09 = 2,838,218,469.30/x - Step 3: Cross multiply
7,036,349,947.38x = 10,552,181,220.09 × 2,838,218,469.30 - Step 4: Simplify right side
7,036,349,947.38x = 29,949,395,630,260,047,872 - Step 5: Solve for x
x = 29,949,395,630,260,047,872/7,036,349,947.38 - Step 6: Final answer
x = 4,256,382,336.61
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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.