Finding the Fourth Proportional to 478,082,288.34, 659,754,924.12 and 277,178,205.96
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Solution
The fourth proportional to 478,082,288.34, 659,754,924.12 and 277,178,205.96 is: 382,506,716.31
Step by Step Solution
- Step 1: Write the proportion equation
478,082,288.34 : 659,754,924.12 = 277,178,205.96 : x - Step 2: Convert to fraction form
478,082,288.34/659,754,924.12 = 277,178,205.96/x - Step 3: Cross multiply
478,082,288.34x = 659,754,924.12 × 277,178,205.96 - Step 4: Simplify right side
478,082,288.34x = 182,869,686,240,857,504 - Step 5: Solve for x
x = 182,869,686,240,857,504/478,082,288.34 - Step 6: Final answer
x = 382,506,716.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.