Finding the Fourth Proportional to 330,176,309.70, 495,264,464.55 and 221,337,192.90
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Solution
The fourth proportional to 330,176,309.70, 495,264,464.55 and 221,337,192.90 is: 332,005,789.35
Step by Step Solution
- Step 1: Write the proportion equation
330,176,309.70 : 495,264,464.55 = 221,337,192.90 : x - Step 2: Convert to fraction form
330,176,309.70/495,264,464.55 = 221,337,192.90/x - Step 3: Cross multiply
330,176,309.70x = 495,264,464.55 × 221,337,192.90 - Step 4: Simplify right side
330,176,309.70x = 109,620,446,326,618,560 - Step 5: Solve for x
x = 109,620,446,326,618,560/330,176,309.70 - Step 6: Final answer
x = 332,005,789.35
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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.