Finding the Fourth Proportional to 3,932,756,290.08, 5,427,205,857.80 and 2,124,268,151.06
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Solution
The fourth proportional to 3,932,756,290.08, 5,427,205,857.80 and 2,124,268,151.06 is: 2,931,491,224.62
Step by Step Solution
- Step 1: Write the proportion equation
3,932,756,290.08 : 5,427,205,857.80 = 2,124,268,151.06 : x - Step 2: Convert to fraction form
3,932,756,290.08/5,427,205,857.80 = 2,124,268,151.06/x - Step 3: Cross multiply
3,932,756,290.08x = 5,427,205,857.80 × 2,124,268,151.06 - Step 4: Simplify right side
3,932,756,290.08x = 11,528,840,552,933,050,368 - Step 5: Solve for x
x = 11,528,840,552,933,050,368/3,932,756,290.08 - Step 6: Final answer
x = 2,931,491,224.62
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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.