Finding the Fourth Proportional to 459,084,218.06, 688,218,515.35 and 178,900,274.84
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Solution
The fourth proportional to 459,084,218.06, 688,218,515.35 and 178,900,274.84 is: 268,191,492.32
Step by Step Solution
- Step 1: Write the proportion equation
459,084,218.06 : 688,218,515.35 = 178,900,274.84 : x - Step 2: Convert to fraction form
459,084,218.06/688,218,515.35 = 178,900,274.84/x - Step 3: Cross multiply
459,084,218.06x = 688,218,515.35 × 178,900,274.84 - Step 4: Simplify right side
459,084,218.06x = 123,122,481,542,203,408 - Step 5: Solve for x
x = 123,122,481,542,203,408/459,084,218.06 - Step 6: Final answer
x = 268,191,492.32
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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.