Finding the Fourth Proportional to 445,945,177.04, 615,404,344.28 and 250,379,088.08
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Solution
The fourth proportional to 445,945,177.04, 615,404,344.28 and 250,379,088.08 is: 345,523,141.53
Step by Step Solution
- Step 1: Write the proportion equation
445,945,177.04 : 615,404,344.28 = 250,379,088.08 : x - Step 2: Convert to fraction form
445,945,177.04/615,404,344.28 = 250,379,088.08/x - Step 3: Cross multiply
445,945,177.04x = 615,404,344.28 × 250,379,088.08 - Step 4: Simplify right side
445,945,177.04x = 154,084,378,521,296,768 - Step 5: Solve for x
x = 154,084,378,521,296,768/445,945,177.04 - Step 6: Final answer
x = 345,523,141.53
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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.