Finding the Fourth Proportional to 11,881,338,960.65, 16,396,378,275.35 and 6,528,900,704.81
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Solution
The fourth proportional to 11,881,338,960.65, 16,396,378,275.35 and 6,528,900,704.81 is: 9,009,954,688.84
Step by Step Solution
- Step 1: Write the proportion equation
11,881,338,960.65 : 16,396,378,275.35 = 6,528,900,704.81 : x - Step 2: Convert to fraction form
11,881,338,960.65/16,396,378,275.35 = 6,528,900,704.81/x - Step 3: Cross multiply
11,881,338,960.65x = 16,396,378,275.35 × 6,528,900,704.81 - Step 4: Simplify right side
11,881,338,960.65x = 107,050,325,678,201,602,048 - Step 5: Solve for x
x = 107,050,325,678,201,602,048/11,881,338,960.65 - Step 6: Final answer
x = 9,009,954,688.84
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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.