Finding the Fourth Proportional to 370,701,870.63, 511,534,771.41 and 219,968,553.96
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Solution
The fourth proportional to 370,701,870.63, 511,534,771.41 and 219,968,553.96 is: 303,536,542.12
Step by Step Solution
- Step 1: Write the proportion equation
370,701,870.63 : 511,534,771.41 = 219,968,553.96 : x - Step 2: Convert to fraction form
370,701,870.63/511,534,771.41 = 219,968,553.96/x - Step 3: Cross multiply
370,701,870.63x = 511,534,771.41 × 219,968,553.96 - Step 4: Simplify right side
370,701,870.63x = 112,521,563,967,316,864 - Step 5: Solve for x
x = 112,521,563,967,316,864/370,701,870.63 - Step 6: Final answer
x = 303,536,542.12
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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.