Finding the Fourth Proportional to 1,591,485,163.20, 2,387,227,744.80 and 719,789,062.95
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Solution
The fourth proportional to 1,591,485,163.20, 2,387,227,744.80 and 719,789,062.95 is: 1,079,683,594.43
Step by Step Solution
- Step 1: Write the proportion equation
1,591,485,163.20 : 2,387,227,744.80 = 719,789,062.95 : x - Step 2: Convert to fraction form
1,591,485,163.20/2,387,227,744.80 = 719,789,062.95/x - Step 3: Cross multiply
1,591,485,163.20x = 2,387,227,744.80 × 719,789,062.95 - Step 4: Simplify right side
1,591,485,163.20x = 1,718,300,421,477,833,984 - Step 5: Solve for x
x = 1,718,300,421,477,833,984/1,591,485,163.20 - Step 6: Final answer
x = 1,079,683,594.43
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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.