Finding the Fourth Proportional to 3,798,365,120, 5,241,774,642.56 and 2,104,848,053.08
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Solution
The fourth proportional to 3,798,365,120, 5,241,774,642.56 and 2,104,848,053.08 is: 2,904,707,368.17
Step by Step Solution
- Step 1: Write the proportion equation
3,798,365,120 : 5,241,774,642.56 = 2,104,848,053.08 : x - Step 2: Convert to fraction form
3,798,365,120/5,241,774,642.56 = 2,104,848,053.08/x - Step 3: Cross multiply
3,798,365,120x = 5,241,774,642.56 × 2,104,848,053.08 - Step 4: Simplify right side
3,798,365,120x = 11,033,139,151,076,530,176 - Step 5: Solve for x
x = 11,033,139,151,076,530,176/3,798,365,120 - Step 6: Final answer
x = 2,904,707,368.17
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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.