Finding the Fourth Proportional to 2,668,971,989.47, 3,683,181,286.92 and 1,479,537,944.14
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Solution
The fourth proportional to 2,668,971,989.47, 3,683,181,286.92 and 1,479,537,944.14 is: 2,041,762,330.46
Step by Step Solution
- Step 1: Write the proportion equation
2,668,971,989.47 : 3,683,181,286.92 = 1,479,537,944.14 : x - Step 2: Convert to fraction form
2,668,971,989.47/3,683,181,286.92 = 1,479,537,944.14/x - Step 3: Cross multiply
2,668,971,989.47x = 3,683,181,286.92 × 1,479,537,944.14 - Step 4: Simplify right side
2,668,971,989.47x = 5,449,406,469,144,537,088 - Step 5: Solve for x
x = 5,449,406,469,144,537,088/2,668,971,989.47 - Step 6: Final answer
x = 2,041,762,330.46
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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.