Finding the Fourth Proportional to 1,954,247,872.95, 2,696,849,485.90 and 1,119,033,868.95
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Solution
The fourth proportional to 1,954,247,872.95, 2,696,849,485.90 and 1,119,033,868.95 is: 1,544,259,536.34
Step by Step Solution
- Step 1: Write the proportion equation
1,954,247,872.95 : 2,696,849,485.90 = 1,119,033,868.95 : x - Step 2: Convert to fraction form
1,954,247,872.95/2,696,849,485.90 = 1,119,033,868.95/x - Step 3: Cross multiply
1,954,247,872.95x = 2,696,849,485.90 × 1,119,033,868.95 - Step 4: Simplify right side
1,954,247,872.95x = 3,017,865,914,179,698,176 - Step 5: Solve for x
x = 3,017,865,914,179,698,176/1,954,247,872.95 - Step 6: Final answer
x = 1,544,259,536.34
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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.