Finding the Fourth Proportional to 7,709,897,173.60, 10,637,114,799.18 and 4,656,932,708.70
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Solution
The fourth proportional to 7,709,897,173.60, 10,637,114,799.18 and 4,656,932,708.70 is: 6,425,030,933.50
Step by Step Solution
- Step 1: Write the proportion equation
7,709,897,173.60 : 10,637,114,799.18 = 4,656,932,708.70 : x - Step 2: Convert to fraction form
7,709,897,173.60/10,637,114,799.18 = 4,656,932,708.70/x - Step 3: Cross multiply
7,709,897,173.60x = 10,637,114,799.18 × 4,656,932,708.70 - Step 4: Simplify right side
7,709,897,173.60x = 49,536,327,834,498,170,880 - Step 5: Solve for x
x = 49,536,327,834,498,170,880/7,709,897,173.60 - Step 6: Final answer
x = 6,425,030,933.50
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1.5x scale
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.