Finding the Fourth Proportional to 449,344,110.90, 674,016,166.35 and 255,852,347.70
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Solution
The fourth proportional to 449,344,110.90, 674,016,166.35 and 255,852,347.70 is: 383,778,521.55
Step by Step Solution
- Step 1: Write the proportion equation
449,344,110.90 : 674,016,166.35 = 255,852,347.70 : x - Step 2: Convert to fraction form
449,344,110.90/674,016,166.35 = 255,852,347.70/x - Step 3: Cross multiply
449,344,110.90x = 674,016,166.35 × 255,852,347.70 - Step 4: Simplify right side
449,344,110.90x = 172,448,618,548,401,248 - Step 5: Solve for x
x = 172,448,618,548,401,248/449,344,110.90 - Step 6: Final answer
x = 383,778,521.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.