Finding the Fourth Proportional to 369,207,373.74, 509,663,057.14 and 230,046,890.68
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Solution
The fourth proportional to 369,207,373.74, 509,663,057.14 and 230,046,890.68 is: 317,562,459.28
Step by Step Solution
- Step 1: Write the proportion equation
369,207,373.74 : 509,663,057.14 = 230,046,890.68 : x - Step 2: Convert to fraction form
369,207,373.74/509,663,057.14 = 230,046,890.68/x - Step 3: Cross multiply
369,207,373.74x = 509,663,057.14 × 230,046,890.68 - Step 4: Simplify right side
369,207,373.74x = 117,246,401,589,520,176 - Step 5: Solve for x
x = 117,246,401,589,520,176/369,207,373.74 - Step 6: Final answer
x = 317,562,459.28
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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.