Finding the Fourth Proportional to 351,818,366.68, 485,515,765.26 and 193,056,679.96
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Solution
The fourth proportional to 351,818,366.68, 485,515,765.26 and 193,056,679.96 is: 266,421,740.84
Step by Step Solution
- Step 1: Write the proportion equation
351,818,366.68 : 485,515,765.26 = 193,056,679.96 : x - Step 2: Convert to fraction form
351,818,366.68/485,515,765.26 = 193,056,679.96/x - Step 3: Cross multiply
351,818,366.68x = 485,515,765.26 × 193,056,679.96 - Step 4: Simplify right side
351,818,366.68x = 93,732,061,709,334,304 - Step 5: Solve for x
x = 93,732,061,709,334,304/351,818,366.68 - Step 6: Final answer
x = 266,421,740.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.