Finding the Fourth Proportional to 2,575,295,153.20, 3,862,942,729.80 and 636,598,385.20
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Solution
The fourth proportional to 2,575,295,153.20, 3,862,942,729.80 and 636,598,385.20 is: 954,897,577.80
Step by Step Solution
- Step 1: Write the proportion equation
2,575,295,153.20 : 3,862,942,729.80 = 636,598,385.20 : x - Step 2: Convert to fraction form
2,575,295,153.20/3,862,942,729.80 = 636,598,385.20/x - Step 3: Cross multiply
2,575,295,153.20x = 3,862,942,729.80 × 636,598,385.20 - Step 4: Simplify right side
2,575,295,153.20x = 2,459,143,103,910,760,448 - Step 5: Solve for x
x = 2,459,143,103,910,760,448/2,575,295,153.20 - Step 6: Final answer
x = 954,897,577.80
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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.