Finding the Fourth Proportional to 293,413,793.70, 440,120,690.55 and 140,358,785.70
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Solution
The fourth proportional to 293,413,793.70, 440,120,690.55 and 140,358,785.70 is: 210,538,178.55
Step by Step Solution
- Step 1: Write the proportion equation
293,413,793.70 : 440,120,690.55 = 140,358,785.70 : x - Step 2: Convert to fraction form
293,413,793.70/440,120,690.55 = 140,358,785.70/x - Step 3: Cross multiply
293,413,793.70x = 440,120,690.55 × 140,358,785.70 - Step 4: Simplify right side
293,413,793.70x = 61,774,805,687,043,464 - Step 5: Solve for x
x = 61,774,805,687,043,464/293,413,793.70 - Step 6: Final answer
x = 210,538,178.55
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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.