Finding the Fourth Proportional to 357,894,610.54, 493,836,946.68 and 201,252,378.22
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Solution
The fourth proportional to 357,894,610.54, 493,836,946.68 and 201,252,378.22 is: 277,695,883.22
Step by Step Solution
- Step 1: Write the proportion equation
357,894,610.54 : 493,836,946.68 = 201,252,378.22 : x - Step 2: Convert to fraction form
357,894,610.54/493,836,946.68 = 201,252,378.22/x - Step 3: Cross multiply
357,894,610.54x = 493,836,946.68 × 201,252,378.22 - Step 4: Simplify right side
357,894,610.54x = 99,385,859,972,253,328 - Step 5: Solve for x
x = 99,385,859,972,253,328/357,894,610.54 - Step 6: Final answer
x = 277,695,883.22
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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.