Finding the Fourth Proportional to 367,272,000.30, 550,908,000.45 and 319,442,310.30
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Solution
The fourth proportional to 367,272,000.30, 550,908,000.45 and 319,442,310.30 is: 479,163,465.45
Step by Step Solution
- Step 1: Write the proportion equation
367,272,000.30 : 550,908,000.45 = 319,442,310.30 : x - Step 2: Convert to fraction form
367,272,000.30/550,908,000.45 = 319,442,310.30/x - Step 3: Cross multiply
367,272,000.30x = 550,908,000.45 × 319,442,310.30 - Step 4: Simplify right side
367,272,000.30x = 175,983,324,426,501,472 - Step 5: Solve for x
x = 175,983,324,426,501,472/367,272,000.30 - Step 6: Final answer
x = 479,163,465.45
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1.5x scale
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.