Finding the Fourth Proportional to 5,038,860,166.40, 7,558,290,249.60 and 3,814,420,102.40
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Solution
The fourth proportional to 5,038,860,166.40, 7,558,290,249.60 and 3,814,420,102.40 is: 5,721,630,153.60
Step by Step Solution
- Step 1: Write the proportion equation
5,038,860,166.40 : 7,558,290,249.60 = 3,814,420,102.40 : x - Step 2: Convert to fraction form
5,038,860,166.40/7,558,290,249.60 = 3,814,420,102.40/x - Step 3: Cross multiply
5,038,860,166.40x = 7,558,290,249.60 × 3,814,420,102.40 - Step 4: Simplify right side
5,038,860,166.40x = 28,830,494,267,848,155,136 - Step 5: Solve for x
x = 28,830,494,267,848,155,136/5,038,860,166.40 - Step 6: Final answer
x = 5,721,630,153.60
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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.