Finding the Fourth Proportional to 217,776,999.60, 325,720,715.40 and 194,913,226.80
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Solution
The fourth proportional to 217,776,999.60, 325,720,715.40 and 194,913,226.80 is: 291,524,246.32
Step by Step Solution
- Step 1: Write the proportion equation
217,776,999.60 : 325,720,715.40 = 194,913,226.80 : x - Step 2: Convert to fraction form
217,776,999.60/325,720,715.40 = 194,913,226.80/x - Step 3: Cross multiply
217,776,999.60x = 325,720,715.40 × 194,913,226.80 - Step 4: Simplify right side
217,776,999.60x = 63,487,275,674,218,448 - Step 5: Solve for x
x = 63,487,275,674,218,448/217,776,999.60 - Step 6: Final answer
x = 291,524,246.32
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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.