Finding the Fourth Proportional to 6,250,065,419.81, 9,412,512,201.29 and 5,692,179,915.65
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Solution
The fourth proportional to 6,250,065,419.81, 9,412,512,201.29 and 5,692,179,915.65 is: 8,572,344,337.09
Step by Step Solution
- Step 1: Write the proportion equation
6,250,065,419.81 : 9,412,512,201.29 = 5,692,179,915.65 : x - Step 2: Convert to fraction form
6,250,065,419.81/9,412,512,201.29 = 5,692,179,915.65/x - Step 3: Cross multiply
6,250,065,419.81x = 9,412,512,201.29 × 5,692,179,915.65 - Step 4: Simplify right side
6,250,065,419.81x = 53,577,712,907,917,991,936 - Step 5: Solve for x
x = 53,577,712,907,917,991,936/6,250,065,419.81 - Step 6: Final answer
x = 8,572,344,337.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.