Finding the Fourth Proportional to 7,419,627,272.80, 11,129,440,909.20 and 2,512,301,078.80
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Solution
The fourth proportional to 7,419,627,272.80, 11,129,440,909.20 and 2,512,301,078.80 is: 3,768,451,618.20
Step by Step Solution
- Step 1: Write the proportion equation
7,419,627,272.80 : 11,129,440,909.20 = 2,512,301,078.80 : x - Step 2: Convert to fraction form
7,419,627,272.80/11,129,440,909.20 = 2,512,301,078.80/x - Step 3: Cross multiply
7,419,627,272.80x = 11,129,440,909.20 × 2,512,301,078.80 - Step 4: Simplify right side
7,419,627,272.80x = 27,960,506,402,624,016,384 - Step 5: Solve for x
x = 27,960,506,402,624,016,384/7,419,627,272.80 - Step 6: Final answer
x = 3,768,451,618.20
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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.