Finding the Fourth Proportional to 3,228,528,175.20, 4,842,792,262.80 and 2,953,029,160.80
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Solution
The fourth proportional to 3,228,528,175.20, 4,842,792,262.80 and 2,953,029,160.80 is: 4,429,543,741.20
Step by Step Solution
- Step 1: Write the proportion equation
3,228,528,175.20 : 4,842,792,262.80 = 2,953,029,160.80 : x - Step 2: Convert to fraction form
3,228,528,175.20/4,842,792,262.80 = 2,953,029,160.80/x - Step 3: Cross multiply
3,228,528,175.20x = 4,842,792,262.80 × 2,953,029,160.80 - Step 4: Simplify right side
3,228,528,175.20x = 14,300,906,771,745,017,856 - Step 5: Solve for x
x = 14,300,906,771,745,017,856/3,228,528,175.20 - Step 6: Final answer
x = 4,429,543,741.20
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1.5x scale
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.