Finding the Fourth Proportional to 548,385,923.14, 756,772,574.01 and 313,441,628.17
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Solution
The fourth proportional to 548,385,923.14, 756,772,574.01 and 313,441,628.17 is: 432,549,446.92
Step by Step Solution
- Step 1: Write the proportion equation
548,385,923.14 : 756,772,574.01 = 313,441,628.17 : x - Step 2: Convert to fraction form
548,385,923.14/756,772,574.01 = 313,441,628.17/x - Step 3: Cross multiply
548,385,923.14x = 756,772,574.01 × 313,441,628.17 - Step 4: Simplify right side
548,385,923.14x = 237,204,027,752,096,224 - Step 5: Solve for x
x = 237,204,027,752,096,224/548,385,923.14 - Step 6: Final answer
x = 432,549,446.92
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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.