Finding the Fourth Proportional to 1,830,930,250.54, 2,746,395,375.78 and 538,465,738.54
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Solution
The fourth proportional to 1,830,930,250.54, 2,746,395,375.78 and 538,465,738.54 is: 807,698,607.80
Step by Step Solution
- Step 1: Write the proportion equation
1,830,930,250.54 : 2,746,395,375.78 = 538,465,738.54 : x - Step 2: Convert to fraction form
1,830,930,250.54/2,746,395,375.78 = 538,465,738.54/x - Step 3: Cross multiply
1,830,930,250.54x = 2,746,395,375.78 × 538,465,738.54 - Step 4: Simplify right side
1,830,930,250.54x = 1,478,839,814,342,218,496 - Step 5: Solve for x
x = 1,478,839,814,342,218,496/1,830,930,250.54 - Step 6: Final answer
x = 807,698,607.80
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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.