Finding the Fourth Proportional to 1,353,531,533.46, 2,028,864,355.08 and 455,283,208.11
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Solution
The fourth proportional to 1,353,531,533.46, 2,028,864,355.08 and 455,283,208.11 is: 682,442,816.86
Step by Step Solution
- Step 1: Write the proportion equation
1,353,531,533.46 : 2,028,864,355.08 = 455,283,208.11 : x - Step 2: Convert to fraction form
1,353,531,533.46/2,028,864,355.08 = 455,283,208.11/x - Step 3: Cross multiply
1,353,531,533.46x = 2,028,864,355.08 × 455,283,208.11 - Step 4: Simplify right side
1,353,531,533.46x = 923,707,872,407,981,312 - Step 5: Solve for x
x = 923,707,872,407,981,312/1,353,531,533.46 - Step 6: Final answer
x = 682,442,816.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.