Finding the Fourth Proportional to 439,860,749.80, 659,623,163.10 and 133,050,893.80
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Solution
The fourth proportional to 439,860,749.80, 659,623,163.10 and 133,050,893.80 is: 199,525,534.98
Step by Step Solution
- Step 1: Write the proportion equation
439,860,749.80 : 659,623,163.10 = 133,050,893.80 : x - Step 2: Convert to fraction form
439,860,749.80/659,623,163.10 = 133,050,893.80/x - Step 3: Cross multiply
439,860,749.80x = 659,623,163.10 × 133,050,893.80 - Step 4: Simplify right side
439,860,749.80x = 87,763,451,421,638,176 - Step 5: Solve for x
x = 87,763,451,421,638,176/439,860,749.80 - Step 6: Final answer
x = 199,525,534.98
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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.