Finding the Fourth Proportional to 354,578,675.68, 531,444,863.03 and 165,029,727.81
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Solution
The fourth proportional to 354,578,675.68, 531,444,863.03 and 165,029,727.81 is: 247,347,646.96
Step by Step Solution
- Step 1: Write the proportion equation
354,578,675.68 : 531,444,863.03 = 165,029,727.81 : x - Step 2: Convert to fraction form
354,578,675.68/531,444,863.03 = 165,029,727.81/x - Step 3: Cross multiply
354,578,675.68x = 531,444,863.03 × 165,029,727.81 - Step 4: Simplify right side
354,578,675.68x = 87,704,201,091,863,632 - Step 5: Solve for x
x = 87,704,201,091,863,632/354,578,675.68 - Step 6: Final answer
x = 247,347,646.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.