Finding the Fourth Proportional to 388,134,217,660.63, 582,213,187,276.98 and 133,160,024,622.50
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Solution
The fourth proportional to 388,134,217,660.63, 582,213,187,276.98 and 133,160,024,622.50 is: 199,744,106,099.75
Step by Step Solution
- Step 1: Write the proportion equation
388,134,217,660.63 : 582,213,187,276.98 = 133,160,024,622.50 : x - Step 2: Convert to fraction form
388,134,217,660.63/582,213,187,276.98 = 133,160,024,622.50/x - Step 3: Cross multiply
388,134,217,660.63x = 582,213,187,276.98 × 133,160,024,622.50 - Step 4: Simplify right side
388,134,217,660.63x = 77,527,522,353,346,863,169,536 - Step 5: Solve for x
x = 77,527,522,353,346,863,169,536/388,134,217,660.63 - Step 6: Final answer
x = 199,744,106,099.75
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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.