Finding the Fourth Proportional to 352,464,357.58, 486,413,940.35 and 211,358,551.37
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Solution
The fourth proportional to 352,464,357.58, 486,413,940.35 and 211,358,551.37 is: 291,682,672.55
Step by Step Solution
- Step 1: Write the proportion equation
352,464,357.58 : 486,413,940.35 = 211,358,551.37 : x - Step 2: Convert to fraction form
352,464,357.58/486,413,940.35 = 211,358,551.37/x - Step 3: Cross multiply
352,464,357.58x = 486,413,940.35 × 211,358,551.37 - Step 4: Simplify right side
352,464,357.58x = 102,807,745,796,645,920 - Step 5: Solve for x
x = 102,807,745,796,645,920/352,464,357.58 - Step 6: Final answer
x = 291,682,672.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.