Finding the Fourth Proportional to 7,514,249,375.24, 11,261,568,975.95 and 4,197,929,989.40
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Solution
The fourth proportional to 7,514,249,375.24, 11,261,568,975.95 and 4,197,929,989.40 is: 6,291,417,248.89
Step by Step Solution
- Step 1: Write the proportion equation
7,514,249,375.24 : 11,261,568,975.95 = 4,197,929,989.40 : x - Step 2: Convert to fraction form
7,514,249,375.24/11,261,568,975.95 = 4,197,929,989.40/x - Step 3: Cross multiply
7,514,249,375.24x = 11,261,568,975.95 × 4,197,929,989.40 - Step 4: Simplify right side
7,514,249,375.24x = 47,275,278,131,830,906,880 - Step 5: Solve for x
x = 47,275,278,131,830,906,880/7,514,249,375.24 - Step 6: Final answer
x = 6,291,417,248.89
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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.