Finding the Fourth Proportional to 2,127,472,069.24, 3,188,669,200.88 and 990,178,382
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Solution
The fourth proportional to 2,127,472,069.24, 3,188,669,200.88 and 990,178,382 is: 1,484,085,904.45
Step by Step Solution
- Step 1: Write the proportion equation
2,127,472,069.24 : 3,188,669,200.88 = 990,178,382 : x - Step 2: Convert to fraction form
2,127,472,069.24/3,188,669,200.88 = 990,178,382/x - Step 3: Cross multiply
2,127,472,069.24x = 3,188,669,200.88 × 990,178,382 - Step 4: Simplify right side
2,127,472,069.24x = 3,157,351,310,060,591,616 - Step 5: Solve for x
x = 3,157,351,310,060,591,616/2,127,472,069.24 - Step 6: Final answer
x = 1,484,085,904.45
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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.