Finding the Fourth Proportional to 2,177,386,857.60, 3,266,080,286.40 and 1,306,673,923.20
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Solution
The fourth proportional to 2,177,386,857.60, 3,266,080,286.40 and 1,306,673,923.20 is: 1,960,010,884.80
Step by Step Solution
- Step 1: Write the proportion equation
2,177,386,857.60 : 3,266,080,286.40 = 1,306,673,923.20 : x - Step 2: Convert to fraction form
2,177,386,857.60/3,266,080,286.40 = 1,306,673,923.20/x - Step 3: Cross multiply
2,177,386,857.60x = 3,266,080,286.40 × 1,306,673,923.20 - Step 4: Simplify right side
2,177,386,857.60x = 4,267,701,941,316,467,712 - Step 5: Solve for x
x = 4,267,701,941,316,467,712/2,177,386,857.60 - Step 6: Final answer
x = 1,960,010,884.80
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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.