Finding the Fourth Proportional to 3,368,670,470.78, 4,648,453,277.41 and 1,863,264,421.36
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Solution
The fourth proportional to 3,368,670,470.78, 4,648,453,277.41 and 1,863,264,421.36 is: 2,571,132,344.73
Step by Step Solution
- Step 1: Write the proportion equation
3,368,670,470.78 : 4,648,453,277.41 = 1,863,264,421.36 : x - Step 2: Convert to fraction form
3,368,670,470.78/4,648,453,277.41 = 1,863,264,421.36/x - Step 3: Cross multiply
3,368,670,470.78x = 4,648,453,277.41 × 1,863,264,421.36 - Step 4: Simplify right side
3,368,670,470.78x = 8,661,297,606,152,338,432 - Step 5: Solve for x
x = 8,661,297,606,152,338,432/3,368,670,470.78 - Step 6: Final answer
x = 2,571,132,344.73
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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.