Finding the Fourth Proportional to 339,537,865.80, 509,306,798.70 and 339,537,865.80
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Solution
The fourth proportional to 339,537,865.80, 509,306,798.70 and 339,537,865.80 is: 509,306,798.70
Step by Step Solution
- Step 1: Write the proportion equation
339,537,865.80 : 509,306,798.70 = 339,537,865.80 : x - Step 2: Convert to fraction form
339,537,865.80/509,306,798.70 = 339,537,865.80/x - Step 3: Cross multiply
339,537,865.80x = 509,306,798.70 × 339,537,865.80 - Step 4: Simplify right side
339,537,865.80x = 172,928,943,468,028,224 - Step 5: Solve for x
x = 172,928,943,468,028,224/339,537,865.80 - Step 6: Final answer
x = 509,306,798.70
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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.