Finding the Fourth Proportional to 5,144,121,119.34, 7,716,553,575.73 and 2,153,176,124.17
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Solution
The fourth proportional to 5,144,121,119.34, 7,716,553,575.73 and 2,153,176,124.17 is: 3,229,919,851.16
Step by Step Solution
- Step 1: Write the proportion equation
5,144,121,119.34 : 7,716,553,575.73 = 2,153,176,124.17 : x - Step 2: Convert to fraction form
5,144,121,119.34/7,716,553,575.73 = 2,153,176,124.17/x - Step 3: Cross multiply
5,144,121,119.34x = 7,716,553,575.73 × 2,153,176,124.17 - Step 4: Simplify right side
5,144,121,119.34x = 16,615,098,920,121,184,256 - Step 5: Solve for x
x = 16,615,098,920,121,184,256/5,144,121,119.34 - Step 6: Final answer
x = 3,229,919,851.16
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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.