Finding the Fourth Proportional to 1,353,531,529.82, 2,028,864,349.61 and 455,283,204.44
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Solution
The fourth proportional to 1,353,531,529.82, 2,028,864,349.61 and 455,283,204.44 is: 682,442,811.35
Step by Step Solution
- Step 1: Write the proportion equation
1,353,531,529.82 : 2,028,864,349.61 = 455,283,204.44 : x - Step 2: Convert to fraction form
1,353,531,529.82/2,028,864,349.61 = 455,283,204.44/x - Step 3: Cross multiply
1,353,531,529.82x = 2,028,864,349.61 × 455,283,204.44 - Step 4: Simplify right side
1,353,531,529.82x = 923,707,862,462,240,896 - Step 5: Solve for x
x = 923,707,862,462,240,896/1,353,531,529.82 - Step 6: Final answer
x = 682,442,811.35
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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.