Finding the Fourth Proportional to 306,304,888.40, 459,678,659.00 and 121,966,128.47
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Solution
The fourth proportional to 306,304,888.40, 459,678,659.00 and 121,966,128.47 is: 183,037,321.64
Step by Step Solution
- Step 1: Write the proportion equation
306,304,888.40 : 459,678,659.00 = 121,966,128.47 : x - Step 2: Convert to fraction form
306,304,888.40/459,678,659.00 = 121,966,128.47/x - Step 3: Cross multiply
306,304,888.40x = 459,678,659.00 × 121,966,128.47 - Step 4: Simplify right side
306,304,888.40x = 56,065,226,375,603,104 - Step 5: Solve for x
x = 56,065,226,375,603,104/306,304,888.40 - Step 6: Final answer
x = 183,037,321.64
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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.