Finding the Fourth Proportional to 454,168,013.43, 626,752,110.71 and 245,324,158.12
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Solution
The fourth proportional to 454,168,013.43, 626,752,110.71 and 245,324,158.12 is: 338,547,474.42
Step by Step Solution
- Step 1: Write the proportion equation
454,168,013.43 : 626,752,110.71 = 245,324,158.12 : x - Step 2: Convert to fraction form
454,168,013.43/626,752,110.71 = 245,324,158.12/x - Step 3: Cross multiply
454,168,013.43x = 626,752,110.71 × 245,324,158.12 - Step 4: Simplify right side
454,168,013.43x = 153,757,433,909,863,808 - Step 5: Solve for x
x = 153,757,433,909,863,808/454,168,013.43 - Step 6: Final answer
x = 338,547,474.42
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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.