Finding the Fourth Proportional to 921,496,537.80, 1,382,244,806.70 and 921,496,537.80
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Solution
The fourth proportional to 921,496,537.80, 1,382,244,806.70 and 921,496,537.80 is: 1,382,244,806.70
Step by Step Solution
- Step 1: Write the proportion equation
921,496,537.80 : 1,382,244,806.70 = 921,496,537.80 : x - Step 2: Convert to fraction form
921,496,537.80/1,382,244,806.70 = 921,496,537.80/x - Step 3: Cross multiply
921,496,537.80x = 1,382,244,806.70 × 921,496,537.80 - Step 4: Simplify right side
921,496,537.80x = 1,273,733,803,766,080,256 - Step 5: Solve for x
x = 1,273,733,803,766,080,256/921,496,537.80 - Step 6: Final answer
x = 1,382,244,806.70
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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.