Finding the Fourth Proportional to 3,228,207,871.20, 4,840,894,630.80 and 1,480,829,863.20
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Solution
The fourth proportional to 3,228,207,871.20, 4,840,894,630.80 and 1,480,829,863.20 is: 2,220,594,713.82
Step by Step Solution
- Step 1: Write the proportion equation
3,228,207,871.20 : 4,840,894,630.80 = 1,480,829,863.20 : x - Step 2: Convert to fraction form
3,228,207,871.20/4,840,894,630.80 = 1,480,829,863.20/x - Step 3: Cross multiply
3,228,207,871.20x = 4,840,894,630.80 × 1,480,829,863.20 - Step 4: Simplify right side
3,228,207,871.20x = 7,168,541,333,893,179,392 - Step 5: Solve for x
x = 7,168,541,333,893,179,392/3,228,207,871.20 - Step 6: Final answer
x = 2,220,594,713.82
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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.