Finding the Fourth Proportional to 5,343,207,554.92, 7,372,794,878.58 and 3,054,307,088.20
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Solution
The fourth proportional to 5,343,207,554.92, 7,372,794,878.58 and 3,054,307,088.20 is: 4,214,468,449.15
Step by Step Solution
- Step 1: Write the proportion equation
5,343,207,554.92 : 7,372,794,878.58 = 3,054,307,088.20 : x - Step 2: Convert to fraction form
5,343,207,554.92/7,372,794,878.58 = 3,054,307,088.20/x - Step 3: Cross multiply
5,343,207,554.92x = 7,372,794,878.58 × 3,054,307,088.20 - Step 4: Simplify right side
5,343,207,554.92x = 22,518,779,657,491,550,208 - Step 5: Solve for x
x = 22,518,779,657,491,550,208/5,343,207,554.92 - Step 6: Final answer
x = 4,214,468,449.15
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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.