Finding the Fourth Proportional to 352,464,358.14, 486,413,941.12 and 211,358,551.92
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Solution
The fourth proportional to 352,464,358.14, 486,413,941.12 and 211,358,551.92 is: 291,682,673.30
Step by Step Solution
- Step 1: Write the proportion equation
352,464,358.14 : 486,413,941.12 = 211,358,551.92 : x - Step 2: Convert to fraction form
352,464,358.14/486,413,941.12 = 211,358,551.92/x - Step 3: Cross multiply
352,464,358.14x = 486,413,941.12 × 211,358,551.92 - Step 4: Simplify right side
352,464,358.14x = 102,807,746,226,470,896 - Step 5: Solve for x
x = 102,807,746,226,470,896/352,464,358.14 - Step 6: Final answer
x = 291,682,673.30
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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.