Finding the Fourth Proportional to 379,243,476.10, 568,634,266.95 and 148,936,629.70
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Solution
The fourth proportional to 379,243,476.10, 568,634,266.95 and 148,936,629.70 is: 223,314,246.89
Step by Step Solution
- Step 1: Write the proportion equation
379,243,476.10 : 568,634,266.95 = 148,936,629.70 : x - Step 2: Convert to fraction form
379,243,476.10/568,634,266.95 = 148,936,629.70/x - Step 3: Cross multiply
379,243,476.10x = 568,634,266.95 × 148,936,629.70 - Step 4: Simplify right side
379,243,476.10x = 84,690,471,251,463,104 - Step 5: Solve for x
x = 84,690,471,251,463,104/379,243,476.10 - Step 6: Final answer
x = 223,314,246.89
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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.