Finding the Fourth Proportional to 4,145,659,163.49, 5,721,009,223.09 and 2,266,071,953.52
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Solution
The fourth proportional to 4,145,659,163.49, 5,721,009,223.09 and 2,266,071,953.52 is: 3,127,179,064.90
Step by Step Solution
- Step 1: Write the proportion equation
4,145,659,163.49 : 5,721,009,223.09 = 2,266,071,953.52 : x - Step 2: Convert to fraction form
4,145,659,163.49/5,721,009,223.09 = 2,266,071,953.52/x - Step 3: Cross multiply
4,145,659,163.49x = 5,721,009,223.09 × 2,266,071,953.52 - Step 4: Simplify right side
4,145,659,163.49x = 12,964,218,546,273,495,040 - Step 5: Solve for x
x = 12,964,218,546,273,495,040/4,145,659,163.49 - Step 6: Final answer
x = 3,127,179,064.90
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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.