Finding the Fourth Proportional to 2,147,367,660.74, 2,963,021,676.63 and 1,207,514,266.82
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Solution
The fourth proportional to 2,147,367,660.74, 2,963,021,676.63 and 1,207,514,266.82 is: 1,666,175,295.85
Step by Step Solution
- Step 1: Write the proportion equation
2,147,367,660.74 : 2,963,021,676.63 = 1,207,514,266.82 : x - Step 2: Convert to fraction form
2,147,367,660.74/2,963,021,676.63 = 1,207,514,266.82/x - Step 3: Cross multiply
2,147,367,660.74x = 2,963,021,676.63 × 1,207,514,266.82 - Step 4: Simplify right side
2,147,367,660.74x = 3,577,890,947,427,641,344 - Step 5: Solve for x
x = 3,577,890,947,427,641,344/2,147,367,660.74 - Step 6: Final answer
x = 1,666,175,295.85
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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.