Finding the Fourth Proportional to 2,565,732,214.08, 3,540,710,455.43 and 1,392,310,486.08
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Solution
The fourth proportional to 2,565,732,214.08, 3,540,710,455.43 and 1,392,310,486.08 is: 1,921,388,470.79
Step by Step Solution
- Step 1: Write the proportion equation
2,565,732,214.08 : 3,540,710,455.43 = 1,392,310,486.08 : x - Step 2: Convert to fraction form
2,565,732,214.08/3,540,710,455.43 = 1,392,310,486.08/x - Step 3: Cross multiply
2,565,732,214.08x = 3,540,710,455.43 × 1,392,310,486.08 - Step 4: Simplify right side
2,565,732,214.08x = 4,929,768,295,261,320,192 - Step 5: Solve for x
x = 4,929,768,295,261,320,192/2,565,732,214.08 - Step 6: Final answer
x = 1,921,388,470.79
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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.