Finding the Fourth Proportional to 7,060,295,319.40, 9,742,486,524.78 and 4,347,132,279.40
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Solution
The fourth proportional to 7,060,295,319.40, 9,742,486,524.78 and 4,347,132,279.40 is: 5,998,598,604.95
Step by Step Solution
- Step 1: Write the proportion equation
7,060,295,319.40 : 9,742,486,524.78 = 4,347,132,279.40 : x - Step 2: Convert to fraction form
7,060,295,319.40/9,742,486,524.78 = 4,347,132,279.40/x - Step 3: Cross multiply
7,060,295,319.40x = 9,742,486,524.78 × 4,347,132,279.40 - Step 4: Simplify right side
7,060,295,319.40x = 42,351,877,653,490,663,424 - Step 5: Solve for x
x = 42,351,877,653,490,663,424/7,060,295,319.40 - Step 6: Final answer
x = 5,998,598,604.95
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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.