Finding the Fourth Proportional to 4,919,418,840.24, 6,789,609,776.70 and 3,015,239,525.04
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Solution
The fourth proportional to 4,919,418,840.24, 6,789,609,776.70 and 3,015,239,525.04 is: 4,161,528,103.86
Step by Step Solution
- Step 1: Write the proportion equation
4,919,418,840.24 : 6,789,609,776.70 = 3,015,239,525.04 : x - Step 2: Convert to fraction form
4,919,418,840.24/6,789,609,776.70 = 3,015,239,525.04/x - Step 3: Cross multiply
4,919,418,840.24x = 6,789,609,776.70 × 3,015,239,525.04 - Step 4: Simplify right side
4,919,418,840.24x = 20,472,299,758,303,846,400 - Step 5: Solve for x
x = 20,472,299,758,303,846,400/4,919,418,840.24 - Step 6: Final answer
x = 4,161,528,103.86
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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.