Finding the Fourth Proportional to 8,953,375,617.80, 13,430,063,426.70 and 7,082,955,240.20
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Solution
The fourth proportional to 8,953,375,617.80, 13,430,063,426.70 and 7,082,955,240.20 is: 10,624,432,860.30
Step by Step Solution
- Step 1: Write the proportion equation
8,953,375,617.80 : 13,430,063,426.70 = 7,082,955,240.20 : x - Step 2: Convert to fraction form
8,953,375,617.80/13,430,063,426.70 = 7,082,955,240.20/x - Step 3: Cross multiply
8,953,375,617.80x = 13,430,063,426.70 × 7,082,955,240.20 - Step 4: Simplify right side
8,953,375,617.80x = 95,124,538,124,363,137,024 - Step 5: Solve for x
x = 95,124,538,124,363,137,024/8,953,375,617.80 - Step 6: Final answer
x = 10,624,432,860.30
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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.