Finding the Fourth Proportional to 896,297,494.53, 1,236,891,733.96 and 494,402,177.55
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Solution
The fourth proportional to 896,297,494.53, 1,236,891,733.96 and 494,402,177.55 is: 682,275,662.26
Step by Step Solution
- Step 1: Write the proportion equation
896,297,494.53 : 1,236,891,733.96 = 494,402,177.55 : x - Step 2: Convert to fraction form
896,297,494.53/1,236,891,733.96 = 494,402,177.55/x - Step 3: Cross multiply
896,297,494.53x = 1,236,891,733.96 × 494,402,177.55 - Step 4: Simplify right side
896,297,494.53x = 611,521,966,658,470,912 - Step 5: Solve for x
x = 611,521,966,658,470,912/896,297,494.53 - Step 6: Final answer
x = 682,275,662.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.