Finding the Fourth Proportional to 3,630,584,077.80, 5,445,876,116.70 and 3,114,023,425.80
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Solution
The fourth proportional to 3,630,584,077.80, 5,445,876,116.70 and 3,114,023,425.80 is: 4,671,035,138.70
Step by Step Solution
- Step 1: Write the proportion equation
3,630,584,077.80 : 5,445,876,116.70 = 3,114,023,425.80 : x - Step 2: Convert to fraction form
3,630,584,077.80/5,445,876,116.70 = 3,114,023,425.80/x - Step 3: Cross multiply
3,630,584,077.80x = 5,445,876,116.70 × 3,114,023,425.80 - Step 4: Simplify right side
3,630,584,077.80x = 16,958,585,801,408,534,528 - Step 5: Solve for x
x = 16,958,585,801,408,534,528/3,630,584,077.80 - Step 6: Final answer
x = 4,671,035,138.70
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Double scale
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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.