Finding the Fourth Proportional to 873,863,849.37, 1,205,949,889.23 and 477,412,517.01
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Solution
The fourth proportional to 873,863,849.37, 1,205,949,889.23 and 477,412,517.01 is: 658,838,985.52
Step by Step Solution
- Step 1: Write the proportion equation
873,863,849.37 : 1,205,949,889.23 = 477,412,517.01 : x - Step 2: Convert to fraction form
873,863,849.37/1,205,949,889.23 = 477,412,517.01/x - Step 3: Cross multiply
873,863,849.37x = 1,205,949,889.23 × 477,412,517.01 - Step 4: Simplify right side
873,863,849.37x = 575,735,572,005,224,960 - Step 5: Solve for x
x = 575,735,572,005,224,960/873,863,849.37 - Step 6: Final answer
x = 658,838,985.52
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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.