Finding the Fourth Proportional to 51,615,194,786.74, 71,219,513,205.84 and 28,751,763,518.38
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Solution
The fourth proportional to 51,615,194,786.74, 71,219,513,205.84 and 28,751,763,518.38 is: 39,672,166,501.53
Step by Step Solution
- Step 1: Write the proportion equation
51,615,194,786.74 : 71,219,513,205.84 = 28,751,763,518.38 : x - Step 2: Convert to fraction form
51,615,194,786.74/71,219,513,205.84 = 28,751,763,518.38/x - Step 3: Cross multiply
51,615,194,786.74x = 71,219,513,205.84 × 28,751,763,518.38 - Step 4: Simplify right side
51,615,194,786.74x = 2,047,686,601,588,453,146,624 - Step 5: Solve for x
x = 2,047,686,601,588,453,146,624/51,615,194,786.74 - Step 6: Final answer
x = 39,672,166,501.53
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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.