Finding the Fourth Proportional to 5,250,949,285.12, 7,248,541,215.36 and 3,271,777,970.56
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Solution
The fourth proportional to 5,250,949,285.12, 7,248,541,215.36 and 3,271,777,970.56 is: 4,516,443,823.66
Step by Step Solution
- Step 1: Write the proportion equation
5,250,949,285.12 : 7,248,541,215.36 = 3,271,777,970.56 : x - Step 2: Convert to fraction form
5,250,949,285.12/7,248,541,215.36 = 3,271,777,970.56/x - Step 3: Cross multiply
5,250,949,285.12x = 7,248,541,215.36 × 3,271,777,970.56 - Step 4: Simplify right side
5,250,949,285.12x = 23,715,617,467,111,055,360 - Step 5: Solve for x
x = 23,715,617,467,111,055,360/5,250,949,285.12 - Step 6: Final answer
x = 4,516,443,823.66
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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.