Finding the Fourth Proportional to 2,262,705,478.20, 3,122,805,391.92 and 1,370,606,029.29
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Solution
The fourth proportional to 2,262,705,478.20, 3,122,805,391.92 and 1,370,606,029.29 is: 1,891,600,979.32
Step by Step Solution
- Step 1: Write the proportion equation
2,262,705,478.20 : 3,122,805,391.92 = 1,370,606,029.29 : x - Step 2: Convert to fraction form
2,262,705,478.20/3,122,805,391.92 = 1,370,606,029.29/x - Step 3: Cross multiply
2,262,705,478.20x = 3,122,805,391.92 × 1,370,606,029.29 - Step 4: Simplify right side
2,262,705,478.20x = 4,280,135,898,464,873,472 - Step 5: Solve for x
x = 4,280,135,898,464,873,472/2,262,705,478.20 - Step 6: Final answer
x = 1,891,600,979.32
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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.