Finding the Fourth Proportional to 2,743,207,494.13, 3,785,730,404.90 and 1,537,571,023.75
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Solution
The fourth proportional to 2,743,207,494.13, 3,785,730,404.90 and 1,537,571,023.75 is: 2,121,906,340.21
Step by Step Solution
- Step 1: Write the proportion equation
2,743,207,494.13 : 3,785,730,404.90 = 1,537,571,023.75 : x - Step 2: Convert to fraction form
2,743,207,494.13/3,785,730,404.90 = 1,537,571,023.75/x - Step 3: Cross multiply
2,743,207,494.13x = 3,785,730,404.90 × 1,537,571,023.75 - Step 4: Simplify right side
2,743,207,494.13x = 5,820,829,374,303,595,520 - Step 5: Solve for x
x = 5,820,829,374,303,595,520/2,743,207,494.13 - Step 6: Final answer
x = 2,121,906,340.21
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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.