Finding the Fourth Proportional to 7,430,869,215.26, 10,254,601,190.88 and 4,089,367,497.63
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Solution
The fourth proportional to 7,430,869,215.26, 10,254,601,190.88 and 4,089,367,497.63 is: 5,643,328,067.87
Step by Step Solution
- Step 1: Write the proportion equation
7,430,869,215.26 : 10,254,601,190.88 = 4,089,367,497.63 : x - Step 2: Convert to fraction form
7,430,869,215.26/10,254,601,190.88 = 4,089,367,497.63/x - Step 3: Cross multiply
7,430,869,215.26x = 10,254,601,190.88 × 4,089,367,497.63 - Step 4: Simplify right side
7,430,869,215.26x = 41,934,832,811,142,561,792 - Step 5: Solve for x
x = 41,934,832,811,142,561,792/7,430,869,215.26 - Step 6: Final answer
x = 5,643,328,067.87
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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.