Finding the Fourth Proportional to 1,780,992,462.40, 2,488,293,368 and 1,780,992,462.40
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Solution
The fourth proportional to 1,780,992,462.40, 2,488,293,368 and 1,780,992,462.40 is: 2,488,293,368
Step by Step Solution
- Step 1: Write the proportion equation
1,780,992,462.40 : 2,488,293,368 = 1,780,992,462.40 : x - Step 2: Convert to fraction form
1,780,992,462.40/2,488,293,368 = 1,780,992,462.40/x - Step 3: Cross multiply
1,780,992,462.40x = 2,488,293,368 × 1,780,992,462.40 - Step 4: Simplify right side
1,780,992,462.40x = 4,431,631,732,647,909,376 - Step 5: Solve for x
x = 4,431,631,732,647,909,376/1,780,992,462.40 - Step 6: Final answer
x = 2,488,293,368
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.