Finding the Fourth Proportional to 1,448,302,628.30, 2,172,777,783.14 and 528,178,966.92
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Solution
The fourth proportional to 1,448,302,628.30, 2,172,777,783.14 and 528,178,966.92 is: 792,386,551.28
Step by Step Solution
- Step 1: Write the proportion equation
1,448,302,628.30 : 2,172,777,783.14 = 528,178,966.92 : x - Step 2: Convert to fraction form
1,448,302,628.30/2,172,777,783.14 = 528,178,966.92/x - Step 3: Cross multiply
1,448,302,628.30x = 2,172,777,783.14 × 528,178,966.92 - Step 4: Simplify right side
1,448,302,628.30x = 1,147,615,524,846,933,376 - Step 5: Solve for x
x = 1,147,615,524,846,933,376/1,448,302,628.30 - Step 6: Final answer
x = 792,386,551.28
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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.