Finding the Fourth Proportional to 2,136,855,525.84, 2,948,858,389.18 and 1,197,064,783.09
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Solution
The fourth proportional to 2,136,855,525.84, 2,948,858,389.18 and 1,197,064,783.09 is: 1,651,948,147.79
Step by Step Solution
- Step 1: Write the proportion equation
2,136,855,525.84 : 2,948,858,389.18 = 1,197,064,783.09 : x - Step 2: Convert to fraction form
2,136,855,525.84/2,948,858,389.18 = 1,197,064,783.09/x - Step 3: Cross multiply
2,136,855,525.84x = 2,948,858,389.18 × 1,197,064,783.09 - Step 4: Simplify right side
2,136,855,525.84x = 3,529,974,528,006,882,816 - Step 5: Solve for x
x = 3,529,974,528,006,882,816/2,136,855,525.84 - Step 6: Final answer
x = 1,651,948,147.79
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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.