Finding the Fourth Proportional to 76,996,351,549.74, 106,240,915,699.76 and 44,431,685,143.54
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Solution
The fourth proportional to 76,996,351,549.74, 106,240,915,699.76 and 44,431,685,143.54 is: 61,307,618,097.78
Step by Step Solution
- Step 1: Write the proportion equation
76,996,351,549.74 : 106,240,915,699.76 = 44,431,685,143.54 : x - Step 2: Convert to fraction form
76,996,351,549.74/106,240,915,699.76 = 44,431,685,143.54/x - Step 3: Cross multiply
76,996,351,549.74x = 106,240,915,699.76 × 44,431,685,143.54 - Step 4: Simplify right side
76,996,351,549.74x = 4,720,462,915,733,536,374,784 - Step 5: Solve for x
x = 4,720,462,915,733,536,374,784/76,996,351,549.74 - Step 6: Final answer
x = 61,307,618,097.78
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1.5x scale
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.