Finding the Fourth Proportional to 1,401,207,563.80, 2,101,811,345.70 and 885,229,528.60
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Solution
The fourth proportional to 1,401,207,563.80, 2,101,811,345.70 and 885,229,528.60 is: 1,327,844,292.90
Step by Step Solution
- Step 1: Write the proportion equation
1,401,207,563.80 : 2,101,811,345.70 = 885,229,528.60 : x - Step 2: Convert to fraction form
1,401,207,563.80/2,101,811,345.70 = 885,229,528.60/x - Step 3: Cross multiply
1,401,207,563.80x = 2,101,811,345.70 × 885,229,528.60 - Step 4: Simplify right side
1,401,207,563.80x = 1,860,585,466,760,142,848 - Step 5: Solve for x
x = 1,860,585,466,760,142,848/1,401,207,563.80 - Step 6: Final answer
x = 1,327,844,292.90
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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.