Finding the Fourth Proportional to 503,403,416.58, 694,731,630.04 and 305,173,266.36
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Solution
The fourth proportional to 503,403,416.58, 694,731,630.04 and 305,173,266.36 is: 421,160,273.85
Step by Step Solution
- Step 1: Write the proportion equation
503,403,416.58 : 694,731,630.04 = 305,173,266.36 : x - Step 2: Convert to fraction form
503,403,416.58/694,731,630.04 = 305,173,266.36/x - Step 3: Cross multiply
503,403,416.58x = 694,731,630.04 × 305,173,266.36 - Step 4: Simplify right side
503,403,416.58x = 212,013,520,782,913,888 - Step 5: Solve for x
x = 212,013,520,782,913,888/503,403,416.58 - Step 6: Final answer
x = 421,160,273.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.