Finding the Fourth Proportional to 311,364,579,432.84, 466,999,679,066.58 and 84,741,691,259.02
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Solution
The fourth proportional to 311,364,579,432.84, 466,999,679,066.58 and 84,741,691,259.02 is: 127,099,693,528.43
Step by Step Solution
- Step 1: Write the proportion equation
311,364,579,432.84 : 466,999,679,066.58 = 84,741,691,259.02 : x - Step 2: Convert to fraction form
311,364,579,432.84/466,999,679,066.58 = 84,741,691,259.02/x - Step 3: Cross multiply
311,364,579,432.84x = 466,999,679,066.58 × 84,741,691,259.02 - Step 4: Simplify right side
311,364,579,432.84x = 39,574,342,621,523,420,905,472 - Step 5: Solve for x
x = 39,574,342,621,523,420,905,472/311,364,579,432.84 - Step 6: Final answer
x = 127,099,693,528.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.