Finding the Fourth Proportional to 7,446,397,085.90, 11,169,595,628.85 and 4,344,482,257.10
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Solution
The fourth proportional to 7,446,397,085.90, 11,169,595,628.85 and 4,344,482,257.10 is: 6,516,723,385.65
Step by Step Solution
- Step 1: Write the proportion equation
7,446,397,085.90 : 11,169,595,628.85 = 4,344,482,257.10 : x - Step 2: Convert to fraction form
7,446,397,085.90/11,169,595,628.85 = 4,344,482,257.10/x - Step 3: Cross multiply
7,446,397,085.90x = 11,169,595,628.85 × 4,344,482,257.10 - Step 4: Simplify right side
7,446,397,085.90x = 48,526,110,028,520,546,304 - Step 5: Solve for x
x = 48,526,110,028,520,546,304/7,446,397,085.90 - Step 6: Final answer
x = 6,516,723,385.65
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Double scale
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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.