Finding the Fourth Proportional to 4,237,015,581.12, 6,359,450,425.98 and 2,139,964,668.24
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Solution
The fourth proportional to 4,237,015,581.12, 6,359,450,425.98 and 2,139,964,668.24 is: 3,211,930,416.70
Step by Step Solution
- Step 1: Write the proportion equation
4,237,015,581.12 : 6,359,450,425.98 = 2,139,964,668.24 : x - Step 2: Convert to fraction form
4,237,015,581.12/6,359,450,425.98 = 2,139,964,668.24/x - Step 3: Cross multiply
4,237,015,581.12x = 6,359,450,425.98 × 2,139,964,668.24 - Step 4: Simplify right side
4,237,015,581.12x = 13,608,999,221,021,016,064 - Step 5: Solve for x
x = 13,608,999,221,021,016,064/4,237,015,581.12 - Step 6: Final answer
x = 3,211,930,416.70
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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.