Finding the Fourth Proportional to 370,624,549.10, 511,249,381.71 and 231,153,171.98
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Solution
The fourth proportional to 370,624,549.10, 511,249,381.71 and 231,153,171.98 is: 318,858,846.62
Step by Step Solution
- Step 1: Write the proportion equation
370,624,549.10 : 511,249,381.71 = 231,153,171.98 : x - Step 2: Convert to fraction form
370,624,549.10/511,249,381.71 = 231,153,171.98/x - Step 3: Cross multiply
370,624,549.10x = 511,249,381.71 × 231,153,171.98 - Step 4: Simplify right side
370,624,549.10x = 118,176,916,255,080,288 - Step 5: Solve for x
x = 118,176,916,255,080,288/370,624,549.10 - Step 6: Final answer
x = 318,858,846.62
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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.