Finding the Fourth Proportional to 3,834,497,205.40, 5,751,745,808.10 and 1,974,878,858.20
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Solution
The fourth proportional to 3,834,497,205.40, 5,751,745,808.10 and 1,974,878,858.20 is: 2,962,318,287.30
Step by Step Solution
- Step 1: Write the proportion equation
3,834,497,205.40 : 5,751,745,808.10 = 1,974,878,858.20 : x - Step 2: Convert to fraction form
3,834,497,205.40/5,751,745,808.10 = 1,974,878,858.20/x - Step 3: Cross multiply
3,834,497,205.40x = 5,751,745,808.10 × 1,974,878,858.20 - Step 4: Simplify right side
3,834,497,205.40x = 11,359,001,194,157,164,544 - Step 5: Solve for x
x = 11,359,001,194,157,164,544/3,834,497,205.40 - Step 6: Final answer
x = 2,962,318,287.30
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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.