Finding the Fourth Proportional to 2,763,734,668,918.20, 4,146,167,413,938.80 and 950,374,782,191.70
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Solution
The fourth proportional to 2,763,734,668,918.20, 4,146,167,413,938.80 and 950,374,782,191.70 is: 1,425,756,602,928.45
Step by Step Solution
- Step 1: Write the proportion equation
2,763,734,668,918.20 : 4,146,167,413,938.80 = 950,374,782,191.70 : x - Step 2: Convert to fraction form
2,763,734,668,918.20/4,146,167,413,938.80 = 950,374,782,191.70/x - Step 3: Cross multiply
2,763,734,668,918.20x = 4,146,167,413,938.80 × 950,374,782,191.70 - Step 4: Simplify right side
2,763,734,668,918.20x = 3,940,412,952,952,410,648,608,768 - Step 5: Solve for x
x = 3,940,412,952,952,410,648,608,768/2,763,734,668,918.20 - Step 6: Final answer
x = 1,425,756,602,928.45
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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.