Finding the Fourth Proportional to 3,721,574,681.40, 5,135,807,025.90 and 2,050,883,766.84
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Solution
The fourth proportional to 3,721,574,681.40, 5,135,807,025.90 and 2,050,883,766.84 is: 2,830,238,315.97
Step by Step Solution
- Step 1: Write the proportion equation
3,721,574,681.40 : 5,135,807,025.90 = 2,050,883,766.84 : x - Step 2: Convert to fraction form
3,721,574,681.40/5,135,807,025.90 = 2,050,883,766.84/x - Step 3: Cross multiply
3,721,574,681.40x = 5,135,807,025.90 × 2,050,883,766.84 - Step 4: Simplify right side
3,721,574,681.40x = 10,532,943,259,041,128,448 - Step 5: Solve for x
x = 10,532,943,259,041,128,448/3,721,574,681.40 - Step 6: Final answer
x = 2,830,238,315.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.