Finding the Fourth Proportional to 3,976,430,797.48, 5,487,480,547.14 and 2,216,260,414.12
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Solution
The fourth proportional to 3,976,430,797.48, 5,487,480,547.14 and 2,216,260,414.12 is: 3,058,442,741.56
Step by Step Solution
- Step 1: Write the proportion equation
3,976,430,797.48 : 5,487,480,547.14 = 2,216,260,414.12 : x - Step 2: Convert to fraction form
3,976,430,797.48/5,487,480,547.14 = 2,216,260,414.12/x - Step 3: Cross multiply
3,976,430,797.48x = 5,487,480,547.14 × 2,216,260,414.12 - Step 4: Simplify right side
3,976,430,797.48x = 12,161,685,909,879,941,120 - Step 5: Solve for x
x = 12,161,685,909,879,941,120/3,976,430,797.48 - Step 6: Final answer
x = 3,058,442,741.56
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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.