Finding the Fourth Proportional to 1,800,313,131.65, 2,696,975,516.23 and 1,326,752,129.93
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Solution
The fourth proportional to 1,800,313,131.65, 2,696,975,516.23 and 1,326,752,129.93 is: 1,987,553,135.96
Step by Step Solution
- Step 1: Write the proportion equation
1,800,313,131.65 : 2,696,975,516.23 = 1,326,752,129.93 : x - Step 2: Convert to fraction form
1,800,313,131.65/2,696,975,516.23 = 1,326,752,129.93/x - Step 3: Cross multiply
1,800,313,131.65x = 2,696,975,516.23 × 1,326,752,129.93 - Step 4: Simplify right side
1,800,313,131.65x = 3,578,218,010,510,411,776 - Step 5: Solve for x
x = 3,578,218,010,510,411,776/1,800,313,131.65 - Step 6: Final answer
x = 1,987,553,135.96
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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.