Finding the Fourth Proportional to 2,569,612,342.82, 3,547,226,953.30 and 1,618,391,037.68
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Solution
The fourth proportional to 2,569,612,342.82, 3,547,226,953.30 and 1,618,391,037.68 is: 2,234,111,431.58
Step by Step Solution
- Step 1: Write the proportion equation
2,569,612,342.82 : 3,547,226,953.30 = 1,618,391,037.68 : x - Step 2: Convert to fraction form
2,569,612,342.82/3,547,226,953.30 = 1,618,391,037.68/x - Step 3: Cross multiply
2,569,612,342.82x = 3,547,226,953.30 × 1,618,391,037.68 - Step 4: Simplify right side
2,569,612,342.82x = 5,740,800,309,819,916,288 - Step 5: Solve for x
x = 5,740,800,309,819,916,288/2,569,612,342.82 - Step 6: Final answer
x = 2,234,111,431.58
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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.