Finding the Fourth Proportional to 7,427,189,538,207.50, 11,145,873,260,823 and 2,592,191,180,496.80
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Solution
The fourth proportional to 7,427,189,538,207.50, 11,145,873,260,823 and 2,592,191,180,496.80 is: 3,890,062,885,430.74
Step by Step Solution
- Step 1: Write the proportion equation
7,427,189,538,207.50 : 11,145,873,260,823 = 2,592,191,180,496.80 : x - Step 2: Convert to fraction form
7,427,189,538,207.50/11,145,873,260,823 = 2,592,191,180,496.80/x - Step 3: Cross multiply
7,427,189,538,207.50x = 11,145,873,260,823 × 2,592,191,180,496.80 - Step 4: Simplify right side
7,427,189,538,207.50x = 28,892,234,365,640,485,891,997,696 - Step 5: Solve for x
x = 28,892,234,365,640,485,891,997,696/7,427,189,538,207.50 - Step 6: Final answer
x = 3,890,062,885,430.74
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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.