Finding the Fourth Proportional to 2,553,587,106.85, 3,523,948,615.75 and 1,380,165,378.85
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Solution
The fourth proportional to 2,553,587,106.85, 3,523,948,615.75 and 1,380,165,378.85 is: 1,904,627,362.52
Step by Step Solution
- Step 1: Write the proportion equation
2,553,587,106.85 : 3,523,948,615.75 = 1,380,165,378.85 : x - Step 2: Convert to fraction form
2,553,587,106.85/3,523,948,615.75 = 1,380,165,378.85/x - Step 3: Cross multiply
2,553,587,106.85x = 3,523,948,615.75 × 1,380,165,378.85 - Step 4: Simplify right side
2,553,587,106.85x = 4,863,631,876,286,912,512 - Step 5: Solve for x
x = 4,863,631,876,286,912,512/2,553,587,106.85 - Step 6: Final answer
x = 1,904,627,362.52
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1.5x scale
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.