Finding the Fourth Proportional to 7,419,627,269.80, 11,129,440,904.70 and 2,512,301,075.80
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Solution
The fourth proportional to 7,419,627,269.80, 11,129,440,904.70 and 2,512,301,075.80 is: 3,768,451,613.70
Step by Step Solution
- Step 1: Write the proportion equation
7,419,627,269.80 : 11,129,440,904.70 = 2,512,301,075.80 : x - Step 2: Convert to fraction form
7,419,627,269.80/11,129,440,904.70 = 2,512,301,075.80/x - Step 3: Cross multiply
7,419,627,269.80x = 11,129,440,904.70 × 2,512,301,075.80 - Step 4: Simplify right side
7,419,627,269.80x = 27,960,506,357,930,340,352 - Step 5: Solve for x
x = 27,960,506,357,930,340,352/7,419,627,269.80 - Step 6: Final answer
x = 3,768,451,613.70
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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.