Finding the Fourth Proportional to 7,887,729,420.46, 11,832,321,472.03 and 2,575,869,417
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Solution
The fourth proportional to 7,887,729,420.46, 11,832,321,472.03 and 2,575,869,417 is: 3,864,041,650.93
Step by Step Solution
- Step 1: Write the proportion equation
7,887,729,420.46 : 11,832,321,472.03 = 2,575,869,417 : x - Step 2: Convert to fraction form
7,887,729,420.46/11,832,321,472.03 = 2,575,869,417/x - Step 3: Cross multiply
7,887,729,420.46x = 11,832,321,472.03 × 2,575,869,417 - Step 4: Simplify right side
7,887,729,420.46x = 30,478,515,011,917,074,432 - Step 5: Solve for x
x = 30,478,515,011,917,074,432/7,887,729,420.46 - Step 6: Final answer
x = 3,864,041,650.93
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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.