Finding the Fourth Proportional to 7,827,255,940, 11,740,883,771.76 and 2,853,350,741.92
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Solution
The fourth proportional to 7,827,255,940, 11,740,883,771.76 and 2,853,350,741.92 is: 4,280,026,062.49
Step by Step Solution
- Step 1: Write the proportion equation
7,827,255,940 : 11,740,883,771.76 = 2,853,350,741.92 : x - Step 2: Convert to fraction form
7,827,255,940/11,740,883,771.76 = 2,853,350,741.92/x - Step 3: Cross multiply
7,827,255,940x = 11,740,883,771.76 × 2,853,350,741.92 - Step 4: Simplify right side
7,827,255,940x = 33,500,859,420,947,886,080 - Step 5: Solve for x
x = 33,500,859,420,947,886,080/7,827,255,940 - Step 6: Final answer
x = 4,280,026,062.49
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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.