Finding the Fourth Proportional to 2,637,861,672,467.20, 3,957,020,436,012.20 and 727,738,864,972.48
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Solution
The fourth proportional to 2,637,861,672,467.20, 3,957,020,436,012.20 and 727,738,864,972.48 is: 1,091,671,178,528.12
Step by Step Solution
- Step 1: Write the proportion equation
2,637,861,672,467.20 : 3,957,020,436,012.20 = 727,738,864,972.48 : x - Step 2: Convert to fraction form
2,637,861,672,467.20/3,957,020,436,012.20 = 727,738,864,972.48/x - Step 3: Cross multiply
2,637,861,672,467.20x = 3,957,020,436,012.20 × 727,738,864,972.48 - Step 4: Simplify right side
2,637,861,672,467.20x = 2,879,677,560,776,426,352,803,840 - Step 5: Solve for x
x = 2,879,677,560,776,426,352,803,840/2,637,861,672,467.20 - Step 6: Final answer
x = 1,091,671,178,528.12
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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.