Finding the Fourth Proportional to 1,324,686,655.45, 1,828,153,395.06 and 760,195,330.48
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Solution
The fourth proportional to 1,324,686,655.45, 1,828,153,395.06 and 760,195,330.48 is: 1,049,118,799.99
Step by Step Solution
- Step 1: Write the proportion equation
1,324,686,655.45 : 1,828,153,395.06 = 760,195,330.48 : x - Step 2: Convert to fraction form
1,324,686,655.45/1,828,153,395.06 = 760,195,330.48/x - Step 3: Cross multiply
1,324,686,655.45x = 1,828,153,395.06 × 760,195,330.48 - Step 4: Simplify right side
1,324,686,655.45x = 1,389,753,674,325,770,752 - Step 5: Solve for x
x = 1,389,753,674,325,770,752/1,324,686,655.45 - Step 6: Final answer
x = 1,049,118,799.99
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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.