Finding the Fourth Proportional to 2,936,612,139.47, 4,052,622,640.91 and 1,649,350,854.94
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Solution
The fourth proportional to 2,936,612,139.47, 4,052,622,640.91 and 1,649,350,854.94 is: 2,276,159,158.95
Step by Step Solution
- Step 1: Write the proportion equation
2,936,612,139.47 : 4,052,622,640.91 = 1,649,350,854.94 : x - Step 2: Convert to fraction form
2,936,612,139.47/4,052,622,640.91 = 1,649,350,854.94/x - Step 3: Cross multiply
2,936,612,139.47x = 4,052,622,640.91 × 1,649,350,854.94 - Step 4: Simplify right side
2,936,612,139.47x = 6,684,196,617,534,108,672 - Step 5: Solve for x
x = 6,684,196,617,534,108,672/2,936,612,139.47 - Step 6: Final answer
x = 2,276,159,158.95
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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.