Finding the Fourth Proportional to 1,712,468,872.80, 2,568,708,097.74 and 532,221,934.53
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Solution
The fourth proportional to 1,712,468,872.80, 2,568,708,097.74 and 532,221,934.53 is: 798,334,390.04
Step by Step Solution
- Step 1: Write the proportion equation
1,712,468,872.80 : 2,568,708,097.74 = 532,221,934.53 : x - Step 2: Convert to fraction form
1,712,468,872.80/2,568,708,097.74 = 532,221,934.53/x - Step 3: Cross multiply
1,712,468,872.80x = 2,568,708,097.74 × 532,221,934.53 - Step 4: Simplify right side
1,712,468,872.80x = 1,367,122,793,022,059,008 - Step 5: Solve for x
x = 1,367,122,793,022,059,008/1,712,468,872.80 - Step 6: Final answer
x = 798,334,390.04
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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.