Finding the Fourth Proportional to 4,721,003,462.77, 6,515,556,069.97 and 2,686,948,866.90
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Solution
The fourth proportional to 4,721,003,462.77, 6,515,556,069.97 and 2,686,948,866.90 is: 3,708,314,585.56
Step by Step Solution
- Step 1: Write the proportion equation
4,721,003,462.77 : 6,515,556,069.97 = 2,686,948,866.90 : x - Step 2: Convert to fraction form
4,721,003,462.77/6,515,556,069.97 = 2,686,948,866.90/x - Step 3: Cross multiply
4,721,003,462.77x = 6,515,556,069.97 × 2,686,948,866.90 - Step 4: Simplify right side
4,721,003,462.77x = 17,506,965,999,457,445,888 - Step 5: Solve for x
x = 17,506,965,999,457,445,888/4,721,003,462.77 - Step 6: Final answer
x = 3,708,314,585.56
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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.