Finding the Fourth Proportional to 3,477,006,969.40, 5,213,718,863.70 and 1,294,849,862.20
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Solution
The fourth proportional to 3,477,006,969.40, 5,213,718,863.70 and 1,294,849,862.20 is: 1,941,607,598.61
Step by Step Solution
- Step 1: Write the proportion equation
3,477,006,969.40 : 5,213,718,863.70 = 1,294,849,862.20 : x - Step 2: Convert to fraction form
3,477,006,969.40/5,213,718,863.70 = 1,294,849,862.20/x - Step 3: Cross multiply
3,477,006,969.40x = 5,213,718,863.70 × 1,294,849,862.20 - Step 4: Simplify right side
3,477,006,969.40x = 6,750,983,152,211,485,696 - Step 5: Solve for x
x = 6,750,983,152,211,485,696/3,477,006,969.40 - Step 6: Final answer
x = 1,941,607,598.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.