Finding the Fourth Proportional to 1,957,908,713.84, 2,936,944,120.44 and 577,723,195.52
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Solution
The fourth proportional to 1,957,908,713.84, 2,936,944,120.44 and 577,723,195.52 is: 866,608,708.74
Step by Step Solution
- Step 1: Write the proportion equation
1,957,908,713.84 : 2,936,944,120.44 = 577,723,195.52 : x - Step 2: Convert to fraction form
1,957,908,713.84/2,936,944,120.44 = 577,723,195.52/x - Step 3: Cross multiply
1,957,908,713.84x = 2,936,944,120.44 × 577,723,195.52 - Step 4: Simplify right side
1,957,908,713.84x = 1,696,740,742,324,272,640 - Step 5: Solve for x
x = 1,696,740,742,324,272,640/1,957,908,713.84 - Step 6: Final answer
x = 866,608,708.74
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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.