Finding the Fourth Proportional to 2,020,214,691.20, 3,031,329,806.40 and 1,147,486,217.60
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Solution
The fourth proportional to 2,020,214,691.20, 3,031,329,806.40 and 1,147,486,217.60 is: 1,721,801,741.66
Step by Step Solution
- Step 1: Write the proportion equation
2,020,214,691.20 : 3,031,329,806.40 = 1,147,486,217.60 : x - Step 2: Convert to fraction form
2,020,214,691.20/3,031,329,806.40 = 1,147,486,217.60/x - Step 3: Cross multiply
2,020,214,691.20x = 3,031,329,806.40 × 1,147,486,217.60 - Step 4: Simplify right side
2,020,214,691.20x = 3,478,409,173,844,076,032 - Step 5: Solve for x
x = 3,478,409,173,844,076,032/2,020,214,691.20 - Step 6: Final answer
x = 1,721,801,741.66
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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.