Finding the Fourth Proportional to 369,207,459.36, 509,663,175.71 and 230,046,976.71
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Solution
The fourth proportional to 369,207,459.36, 509,663,175.71 and 230,046,976.71 is: 317,562,578.27
Step by Step Solution
- Step 1: Write the proportion equation
369,207,459.36 : 509,663,175.71 = 230,046,976.71 : x - Step 2: Convert to fraction form
369,207,459.36/509,663,175.71 = 230,046,976.71/x - Step 3: Cross multiply
369,207,459.36x = 509,663,175.71 × 230,046,976.71 - Step 4: Simplify right side
369,207,459.36x = 117,246,472,711,352,768 - Step 5: Solve for x
x = 117,246,472,711,352,768/369,207,459.36 - Step 6: Final answer
x = 317,562,578.27
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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.