Finding the Fourth Proportional to 2,436,152,012.90, 3,361,802,793.36 and 1,378,857,284.63
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Solution
The fourth proportional to 2,436,152,012.90, 3,361,802,793.36 and 1,378,857,284.63 is: 1,902,773,819.77
Step by Step Solution
- Step 1: Write the proportion equation
2,436,152,012.90 : 3,361,802,793.36 = 1,378,857,284.63 : x - Step 2: Convert to fraction form
2,436,152,012.90/3,361,802,793.36 = 1,378,857,284.63/x - Step 3: Cross multiply
2,436,152,012.90x = 3,361,802,793.36 × 1,378,857,284.63 - Step 4: Simplify right side
2,436,152,012.90x = 4,635,446,271,113,919,488 - Step 5: Solve for x
x = 4,635,446,271,113,919,488/2,436,152,012.90 - Step 6: Final answer
x = 1,902,773,819.77
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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.