Finding the Fourth Proportional to 279,037,839.74, 418,582,833.42 and 82,301,444.70
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Solution
The fourth proportional to 279,037,839.74, 418,582,833.42 and 82,301,444.70 is: 123,459,857.45
Step by Step Solution
- Step 1: Write the proportion equation
279,037,839.74 : 418,582,833.42 = 82,301,444.70 : x - Step 2: Convert to fraction form
279,037,839.74/418,582,833.42 = 82,301,444.70/x - Step 3: Cross multiply
279,037,839.74x = 418,582,833.42 × 82,301,444.70 - Step 4: Simplify right side
279,037,839.74x = 34,449,971,917,085,444 - Step 5: Solve for x
x = 34,449,971,917,085,444/279,037,839.74 - Step 6: Final answer
x = 123,459,857.45
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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.