Finding the Fourth Proportional to 7,828,609,559.32, 11,744,017,445.38 and 2,514,939,959.67
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Solution
The fourth proportional to 7,828,609,559.32, 11,744,017,445.38 and 2,514,939,959.67 is: 3,772,764,312.31
Step by Step Solution
- Step 1: Write the proportion equation
7,828,609,559.32 : 11,744,017,445.38 = 2,514,939,959.67 : x - Step 2: Convert to fraction form
7,828,609,559.32/11,744,017,445.38 = 2,514,939,959.67/x - Step 3: Cross multiply
7,828,609,559.32x = 11,744,017,445.38 × 2,514,939,959.67 - Step 4: Simplify right side
7,828,609,559.32x = 29,535,498,760,447,754,240 - Step 5: Solve for x
x = 29,535,498,760,447,754,240/7,828,609,559.32 - Step 6: Final answer
x = 3,772,764,312.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.