Finding the Fourth Proportional to 331,374,104,643.46, 497,006,737,406.88 and 142,669,196,654.99
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Solution
The fourth proportional to 331,374,104,643.46, 497,006,737,406.88 and 142,669,196,654.99 is: 213,980,365,286.09
Step by Step Solution
- Step 1: Write the proportion equation
331,374,104,643.46 : 497,006,737,406.88 = 142,669,196,654.99 : x - Step 2: Convert to fraction form
331,374,104,643.46/497,006,737,406.88 = 142,669,196,654.99/x - Step 3: Cross multiply
331,374,104,643.46x = 497,006,737,406.88 × 142,669,196,654.99 - Step 4: Simplify right side
331,374,104,643.46x = 70,907,551,957,957,134,516,224 - Step 5: Solve for x
x = 70,907,551,957,957,134,516,224/331,374,104,643.46 - Step 6: Final answer
x = 213,980,365,286.09
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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.