Finding the Fourth Proportional to 2,268,958,569.84, 3,131,165,819.07 and 1,251,661,056.48
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Solution
The fourth proportional to 2,268,958,569.84, 3,131,165,819.07 and 1,251,661,056.48 is: 1,727,293,908.85
Step by Step Solution
- Step 1: Write the proportion equation
2,268,958,569.84 : 3,131,165,819.07 = 1,251,661,056.48 : x - Step 2: Convert to fraction form
2,268,958,569.84/3,131,165,819.07 = 1,251,661,056.48/x - Step 3: Cross multiply
2,268,958,569.84x = 3,131,165,819.07 × 1,251,661,056.48 - Step 4: Simplify right side
2,268,958,569.84x = 3,919,158,317,111,221,248 - Step 5: Solve for x
x = 3,919,158,317,111,221,248/2,268,958,569.84 - Step 6: Final answer
x = 1,727,293,908.85
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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.