Finding the Fourth Proportional to 330,176,278.70, 495,264,418.05 and 221,337,161.90
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Solution
The fourth proportional to 330,176,278.70, 495,264,418.05 and 221,337,161.90 is: 332,005,742.85
Step by Step Solution
- Step 1: Write the proportion equation
330,176,278.70 : 495,264,418.05 = 221,337,161.90 : x - Step 2: Convert to fraction form
330,176,278.70/495,264,418.05 = 221,337,161.90/x - Step 3: Cross multiply
330,176,278.70x = 495,264,418.05 × 221,337,161.90 - Step 4: Simplify right side
330,176,278.70x = 109,620,420,681,242,144 - Step 5: Solve for x
x = 109,620,420,681,242,144/330,176,278.70 - Step 6: Final answer
x = 332,005,742.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.