Finding the Fourth Proportional to 1,999,539,167.68, 2,999,505,877.44 and 689,268,723.04
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Solution
The fourth proportional to 1,999,539,167.68, 2,999,505,877.44 and 689,268,723.04 is: 1,033,971,036.58
Step by Step Solution
- Step 1: Write the proportion equation
1,999,539,167.68 : 2,999,505,877.44 = 689,268,723.04 : x - Step 2: Convert to fraction form
1,999,539,167.68/2,999,505,877.44 = 689,268,723.04/x - Step 3: Cross multiply
1,999,539,167.68x = 2,999,505,877.44 × 689,268,723.04 - Step 4: Simplify right side
1,999,539,167.68x = 2,067,465,585,894,043,392 - Step 5: Solve for x
x = 2,067,465,585,894,043,392/1,999,539,167.68 - Step 6: Final answer
x = 1,033,971,036.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.