Finding the Fourth Proportional to 1,152,825,124.19, 1,729,343,990.88 and 376,474,853.75
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Solution
The fourth proportional to 1,152,825,124.19, 1,729,343,990.88 and 376,474,853.75 is: 564,746,996.21
Step by Step Solution
- Step 1: Write the proportion equation
1,152,825,124.19 : 1,729,343,990.88 = 376,474,853.75 : x - Step 2: Convert to fraction form
1,152,825,124.19/1,729,343,990.88 = 376,474,853.75/x - Step 3: Cross multiply
1,152,825,124.19x = 1,729,343,990.88 × 376,474,853.75 - Step 4: Simplify right side
1,152,825,124.19x = 651,054,526,041,342,720 - Step 5: Solve for x
x = 651,054,526,041,342,720/1,152,825,124.19 - Step 6: Final answer
x = 564,746,996.21
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1.5x scale
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.