Finding the Fourth Proportional to 7,110,148,801,820.80, 9,811,997,723,239.20 and 3,862,211,559,203
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Solution
The fourth proportional to 7,110,148,801,820.80, 9,811,997,723,239.20 and 3,862,211,559,203 is: 5,329,847,810,760.78
Step by Step Solution
- Step 1: Write the proportion equation
7,110,148,801,820.80 : 9,811,997,723,239.20 = 3,862,211,559,203 : x - Step 2: Convert to fraction form
7,110,148,801,820.80/9,811,997,723,239.20 = 3,862,211,559,203/x - Step 3: Cross multiply
7,110,148,801,820.80x = 9,811,997,723,239.20 × 3,862,211,559,203 - Step 4: Simplify right side
7,110,148,801,820.80x = 37,896,011,025,567,954,702,958,592 - Step 5: Solve for x
x = 37,896,011,025,567,954,702,958,592/7,110,148,801,820.80 - Step 6: Final answer
x = 5,329,847,810,760.78
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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.