Finding the Fourth Proportional to 1,907,991,541.13, 2,861,987,975.08 and 597,995,235.23
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Solution
The fourth proportional to 1,907,991,541.13, 2,861,987,975.08 and 597,995,235.23 is: 896,993,060.75
Step by Step Solution
- Step 1: Write the proportion equation
1,907,991,541.13 : 2,861,987,975.08 = 597,995,235.23 : x - Step 2: Convert to fraction form
1,907,991,541.13/2,861,987,975.08 = 597,995,235.23/x - Step 3: Cross multiply
1,907,991,541.13x = 2,861,987,975.08 × 597,995,235.23 - Step 4: Simplify right side
1,907,991,541.13x = 1,711,455,172,367,531,520 - Step 5: Solve for x
x = 1,711,455,172,367,531,520/1,907,991,541.13 - Step 6: Final answer
x = 896,993,060.75
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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.