Finding the Fourth Proportional to 454,168,103.92, 626,752,235.70 and 245,324,248.31
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Solution
The fourth proportional to 454,168,103.92, 626,752,235.70 and 245,324,248.31 is: 338,547,598.95
Step by Step Solution
- Step 1: Write the proportion equation
454,168,103.92 : 626,752,235.70 = 245,324,248.31 : x - Step 2: Convert to fraction form
454,168,103.92/626,752,235.70 = 245,324,248.31/x - Step 3: Cross multiply
454,168,103.92x = 626,752,235.70 × 245,324,248.31 - Step 4: Simplify right side
454,168,103.92x = 153,757,521,101,281,344 - Step 5: Solve for x
x = 153,757,521,101,281,344/454,168,103.92 - Step 6: Final answer
x = 338,547,598.95
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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.