Finding the Fourth Proportional to 1,697,644,341.59, 2,546,846,306.66 and 517,317,198.21
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Solution
The fourth proportional to 1,697,644,341.59, 2,546,846,306.66 and 517,317,198.21 is: 776,091,530.69
Step by Step Solution
- Step 1: Write the proportion equation
1,697,644,341.59 : 2,546,846,306.66 = 517,317,198.21 : x - Step 2: Convert to fraction form
1,697,644,341.59/2,546,846,306.66 = 517,317,198.21/x - Step 3: Cross multiply
1,697,644,341.59x = 2,546,846,306.66 × 517,317,198.21 - Step 4: Simplify right side
1,697,644,341.59x = 1,317,527,395,634,182,656 - Step 5: Solve for x
x = 1,317,527,395,634,182,656/1,697,644,341.59 - Step 6: Final answer
x = 776,091,530.69
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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.