Finding the Fourth Proportional to 495,548,466.40, 743,163,563.74 and 163,480,830.76
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Solution
The fourth proportional to 495,548,466.40, 743,163,563.74 and 163,480,830.76 is: 245,168,747.42
Step by Step Solution
- Step 1: Write the proportion equation
495,548,466.40 : 743,163,563.74 = 163,480,830.76 : x - Step 2: Convert to fraction form
495,548,466.40/743,163,563.74 = 163,480,830.76/x - Step 3: Cross multiply
495,548,466.40x = 743,163,563.74 × 163,480,830.76 - Step 4: Simplify right side
495,548,466.40x = 121,492,996,790,777,408 - Step 5: Solve for x
x = 121,492,996,790,777,408/495,548,466.40 - Step 6: Final answer
x = 245,168,747.42
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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.