Finding the Fourth Proportional to 7,558,278,748.80, 11,337,418,123.20 and 6,796,404,931.20
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Solution
The fourth proportional to 7,558,278,748.80, 11,337,418,123.20 and 6,796,404,931.20 is: 10,194,607,396.80
Step by Step Solution
- Step 1: Write the proportion equation
7,558,278,748.80 : 11,337,418,123.20 = 6,796,404,931.20 : x - Step 2: Convert to fraction form
7,558,278,748.80/11,337,418,123.20 = 6,796,404,931.20/x - Step 3: Cross multiply
7,558,278,748.80x = 11,337,418,123.20 × 6,796,404,931.20 - Step 4: Simplify right side
7,558,278,748.80x = 77,053,684,439,592,730,624 - Step 5: Solve for x
x = 77,053,684,439,592,730,624/7,558,278,748.80 - Step 6: Final answer
x = 10,194,607,396.80
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1.5x scale
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.