Finding the Fourth Proportional to 2,021,193,010.20, 3,026,687,681.70 and 1,327,343,640.60
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Solution
The fourth proportional to 2,021,193,010.20, 3,026,687,681.70 and 1,327,343,640.60 is: 1,987,665,020.66
Step by Step Solution
- Step 1: Write the proportion equation
2,021,193,010.20 : 3,026,687,681.70 = 1,327,343,640.60 : x - Step 2: Convert to fraction form
2,021,193,010.20/3,026,687,681.70 = 1,327,343,640.60/x - Step 3: Cross multiply
2,021,193,010.20x = 3,026,687,681.70 × 1,327,343,640.60 - Step 4: Simplify right side
2,021,193,010.20x = 4,017,454,646,386,851,328 - Step 5: Solve for x
x = 4,017,454,646,386,851,328/2,021,193,010.20 - Step 6: Final answer
x = 1,987,665,020.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.