Finding the Fourth Proportional to 1,691,739,264.99, 2,537,605,409.22 and 954,474,487.19
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Solution
The fourth proportional to 1,691,739,264.99, 2,537,605,409.22 and 954,474,487.19 is: 1,431,709,762.72
Step by Step Solution
- Step 1: Write the proportion equation
1,691,739,264.99 : 2,537,605,409.22 = 954,474,487.19 : x - Step 2: Convert to fraction form
1,691,739,264.99/2,537,605,409.22 = 954,474,487.19/x - Step 3: Cross multiply
1,691,739,264.99x = 2,537,605,409.22 × 954,474,487.19 - Step 4: Simplify right side
1,691,739,264.99x = 2,422,079,621,664,220,672 - Step 5: Solve for x
x = 2,422,079,621,664,220,672/1,691,739,264.99 - Step 6: Final answer
x = 1,431,709,762.72
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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.