Finding the Fourth Proportional to 1,324,949,206.12, 1,828,424,379.27 and 730,232,271.09
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Solution
The fourth proportional to 1,324,949,206.12, 1,828,424,379.27 and 730,232,271.09 is: 1,007,717,488.96
Step by Step Solution
- Step 1: Write the proportion equation
1,324,949,206.12 : 1,828,424,379.27 = 730,232,271.09 : x - Step 2: Convert to fraction form
1,324,949,206.12/1,828,424,379.27 = 730,232,271.09/x - Step 3: Cross multiply
1,324,949,206.12x = 1,828,424,379.27 × 730,232,271.09 - Step 4: Simplify right side
1,324,949,206.12x = 1,335,174,486,990,655,744 - Step 5: Solve for x
x = 1,335,174,486,990,655,744/1,324,949,206.12 - Step 6: Final answer
x = 1,007,717,488.96
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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.