Finding the Fourth Proportional to 3,621,696,616.20, 5,432,544,924.30 and 1,968,702,529.80
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Solution
The fourth proportional to 3,621,696,616.20, 5,432,544,924.30 and 1,968,702,529.80 is: 2,953,053,794.70
Step by Step Solution
- Step 1: Write the proportion equation
3,621,696,616.20 : 5,432,544,924.30 = 1,968,702,529.80 : x - Step 2: Convert to fraction form
3,621,696,616.20/5,432,544,924.30 = 1,968,702,529.80/x - Step 3: Cross multiply
3,621,696,616.20x = 5,432,544,924.30 × 1,968,702,529.80 - Step 4: Simplify right side
3,621,696,616.20x = 10,695,064,935,721,560,064 - Step 5: Solve for x
x = 10,695,064,935,721,560,064/3,621,696,616.20 - Step 6: Final answer
x = 2,953,053,794.70
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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.