Finding the Fourth Proportional to 2,516,908,265.68, 3,775,374,339.54 and 770,108,216.14
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Solution
The fourth proportional to 2,516,908,265.68, 3,775,374,339.54 and 770,108,216.14 is: 1,155,165,977.85
Step by Step Solution
- Step 1: Write the proportion equation
2,516,908,265.68 : 3,775,374,339.54 = 770,108,216.14 : x - Step 2: Convert to fraction form
2,516,908,265.68/3,775,374,339.54 = 770,108,216.14/x - Step 3: Cross multiply
2,516,908,265.68x = 3,775,374,339.54 × 770,108,216.14 - Step 4: Simplify right side
2,516,908,265.68x = 2,907,446,797,883,879,936 - Step 5: Solve for x
x = 2,907,446,797,883,879,936/2,516,908,265.68 - Step 6: Final answer
x = 1,155,165,977.85
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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.