Finding the Fourth Proportional to 3,838,234,938.84, 5,757,352,408.08 and 930,189,786.84
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Solution
The fourth proportional to 3,838,234,938.84, 5,757,352,408.08 and 930,189,786.84 is: 1,395,284,680.22
Step by Step Solution
- Step 1: Write the proportion equation
3,838,234,938.84 : 5,757,352,408.08 = 930,189,786.84 : x - Step 2: Convert to fraction form
3,838,234,938.84/5,757,352,408.08 = 930,189,786.84/x - Step 3: Cross multiply
3,838,234,938.84x = 5,757,352,408.08 × 930,189,786.84 - Step 4: Simplify right side
3,838,234,938.84x = 5,355,430,409,234,696,192 - Step 5: Solve for x
x = 5,355,430,409,234,696,192/3,838,234,938.84 - Step 6: Final answer
x = 1,395,284,680.22
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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.