Finding the Fourth Proportional to 29,937,138,828,248, 44,828,370,418,128 and 20,661,587,375,730
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Solution
The fourth proportional to 29,937,138,828,248, 44,828,370,418,128 and 20,661,587,375,730 is: 30,939,005,147,404.95
Step by Step Solution
- Step 1: Write the proportion equation
29,937,138,828,248 : 44,828,370,418,128 = 20,661,587,375,730 : x - Step 2: Convert to fraction form
29,937,138,828,248/44,828,370,418,128 = 20,661,587,375,730/x - Step 3: Cross multiply
29,937,138,828,248x = 44,828,370,418,128 × 20,661,587,375,730 - Step 4: Simplify right side
29,937,138,828,248x = 926,225,292,305,741,610,808,770,560 - Step 5: Solve for x
x = 926,225,292,305,741,610,808,770,560/29,937,138,828,248 - Step 6: Final answer
x = 30,939,005,147,404.95
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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.