Finding the Fourth Proportional to 3,932,756,292.08, 5,427,205,860.56 and 2,124,268,153.06
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Solution
The fourth proportional to 3,932,756,292.08, 5,427,205,860.56 and 2,124,268,153.06 is: 2,931,491,227.39
Step by Step Solution
- Step 1: Write the proportion equation
3,932,756,292.08 : 5,427,205,860.56 = 2,124,268,153.06 : x - Step 2: Convert to fraction form
3,932,756,292.08/5,427,205,860.56 = 2,124,268,153.06/x - Step 3: Cross multiply
3,932,756,292.08x = 5,427,205,860.56 × 2,124,268,153.06 - Step 4: Simplify right side
3,932,756,292.08x = 11,528,840,569,688,199,168 - Step 5: Solve for x
x = 11,528,840,569,688,199,168/3,932,756,292.08 - Step 6: Final answer
x = 2,931,491,227.39
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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.