Finding the Fourth Proportional to 6,898,207,959.40, 10,347,311,939.10 and 1,991,041,853.80
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Solution
The fourth proportional to 6,898,207,959.40, 10,347,311,939.10 and 1,991,041,853.80 is: 2,986,562,780.70
Step by Step Solution
- Step 1: Write the proportion equation
6,898,207,959.40 : 10,347,311,939.10 = 1,991,041,853.80 : x - Step 2: Convert to fraction form
6,898,207,959.40/10,347,311,939.10 = 1,991,041,853.80/x - Step 3: Cross multiply
6,898,207,959.40x = 10,347,311,939.10 × 1,991,041,853.80 - Step 4: Simplify right side
6,898,207,959.40x = 20,601,931,145,072,537,600 - Step 5: Solve for x
x = 20,601,931,145,072,537,600/6,898,207,959.40 - Step 6: Final answer
x = 2,986,562,780.70
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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.