Finding the Fourth Proportional to 2,251,955,902.14, 3,107,699,077.61 and 1,248,370,926.39
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Solution
The fourth proportional to 2,251,955,902.14, 3,107,699,077.61 and 1,248,370,926.39 is: 1,722,751,841.09
Step by Step Solution
- Step 1: Write the proportion equation
2,251,955,902.14 : 3,107,699,077.61 = 1,248,370,926.39 : x - Step 2: Convert to fraction form
2,251,955,902.14/3,107,699,077.61 = 1,248,370,926.39/x - Step 3: Cross multiply
2,251,955,902.14x = 3,107,699,077.61 × 1,248,370,926.39 - Step 4: Simplify right side
2,251,955,902.14x = 3,879,561,176,460,465,664 - Step 5: Solve for x
x = 3,879,561,176,460,465,664/2,251,955,902.14 - Step 6: Final answer
x = 1,722,751,841.09
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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.