Finding the Fourth Proportional to 2,467,781,974.18, 3,405,251,818.41 and 1,381,523,344.66
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Solution
The fourth proportional to 2,467,781,974.18, 3,405,251,818.41 and 1,381,523,344.66 is: 1,906,341,374.89
Step by Step Solution
- Step 1: Write the proportion equation
2,467,781,974.18 : 3,405,251,818.41 = 1,381,523,344.66 : x - Step 2: Convert to fraction form
2,467,781,974.18/3,405,251,818.41 = 1,381,523,344.66/x - Step 3: Cross multiply
2,467,781,974.18x = 3,405,251,818.41 × 1,381,523,344.66 - Step 4: Simplify right side
2,467,781,974.18x = 4,704,434,881,578,507,264 - Step 5: Solve for x
x = 4,704,434,881,578,507,264/2,467,781,974.18 - Step 6: Final answer
x = 1,906,341,374.89
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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.