Finding the Fourth Proportional to 369,207,618.55, 509,663,394.98 and 230,047,135.49
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Solution
The fourth proportional to 369,207,618.55, 509,663,394.98 and 230,047,135.49 is: 317,562,797.16
Step by Step Solution
- Step 1: Write the proportion equation
369,207,618.55 : 509,663,394.98 = 230,047,135.49 : x - Step 2: Convert to fraction form
369,207,618.55/509,663,394.98 = 230,047,135.49/x - Step 3: Cross multiply
369,207,618.55x = 509,663,394.98 × 230,047,135.49 - Step 4: Simplify right side
369,207,618.55x = 117,246,604,080,244,048 - Step 5: Solve for x
x = 117,246,604,080,244,048/369,207,618.55 - Step 6: Final answer
x = 317,562,797.16
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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.