Finding the Fourth Proportional to 4,681,688,242.14, 7,017,616,512.09 and 1,575,192,391.92
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Solution
The fourth proportional to 4,681,688,242.14, 7,017,616,512.09 and 1,575,192,391.92 is: 2,361,134,609.47
Step by Step Solution
- Step 1: Write the proportion equation
4,681,688,242.14 : 7,017,616,512.09 = 1,575,192,391.92 : x - Step 2: Convert to fraction form
4,681,688,242.14/7,017,616,512.09 = 1,575,192,391.92/x - Step 3: Cross multiply
4,681,688,242.14x = 7,017,616,512.09 × 1,575,192,391.92 - Step 4: Simplify right side
4,681,688,242.14x = 11,054,096,139,256,336,384 - Step 5: Solve for x
x = 11,054,096,139,256,336,384/4,681,688,242.14 - Step 6: Final answer
x = 2,361,134,609.47
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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.