Finding the Fourth Proportional to 2,278,976,461.13, 3,422,376,765.23 and 1,398,830,129.52
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Solution
The fourth proportional to 2,278,976,461.13, 3,422,376,765.23 and 1,398,830,129.52 is: 2,100,646,415.37
Step by Step Solution
- Step 1: Write the proportion equation
2,278,976,461.13 : 3,422,376,765.23 = 1,398,830,129.52 : x - Step 2: Convert to fraction form
2,278,976,461.13/3,422,376,765.23 = 1,398,830,129.52/x - Step 3: Cross multiply
2,278,976,461.13x = 3,422,376,765.23 × 1,398,830,129.52 - Step 4: Simplify right side
2,278,976,461.13x = 4,787,323,733,765,924,864 - Step 5: Solve for x
x = 4,787,323,733,765,924,864/2,278,976,461.13 - Step 6: Final answer
x = 2,100,646,415.37
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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.