Finding the Fourth Proportional to 629,498,407.32, 868,708,639.02 and 347,234,481
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Solution
The fourth proportional to 629,498,407.32, 868,708,639.02 and 347,234,481 is: 479,184,045.43
Step by Step Solution
- Step 1: Write the proportion equation
629,498,407.32 : 868,708,639.02 = 347,234,481 : x - Step 2: Convert to fraction form
629,498,407.32/868,708,639.02 = 347,234,481/x - Step 3: Cross multiply
629,498,407.32x = 868,708,639.02 × 347,234,481 - Step 4: Simplify right side
629,498,407.32x = 301,645,593,410,326,016 - Step 5: Solve for x
x = 301,645,593,410,326,016/629,498,407.32 - Step 6: Final answer
x = 479,184,045.43
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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.