Finding the Fourth Proportional to 51,615,194,784.38, 71,219,513,202.74 and 28,751,763,515.98
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Solution
The fourth proportional to 51,615,194,784.38, 71,219,513,202.74 and 28,751,763,515.98 is: 39,672,166,498.31
Step by Step Solution
- Step 1: Write the proportion equation
51,615,194,784.38 : 71,219,513,202.74 = 28,751,763,515.98 : x - Step 2: Convert to fraction form
51,615,194,784.38/71,219,513,202.74 = 28,751,763,515.98/x - Step 3: Cross multiply
51,615,194,784.38x = 71,219,513,202.74 × 28,751,763,515.98 - Step 4: Simplify right side
51,615,194,784.38x = 2,047,686,601,328,396,075,008 - Step 5: Solve for x
x = 2,047,686,601,328,396,075,008/51,615,194,784.38 - Step 6: Final answer
x = 39,672,166,498.31
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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.