Finding the Fourth Proportional to 357,763,854.70, 493,711,149.54 and 201,131,658.28
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Solution
The fourth proportional to 357,763,854.70, 493,711,149.54 and 201,131,658.28 is: 277,560,018.75
Step by Step Solution
- Step 1: Write the proportion equation
357,763,854.70 : 493,711,149.54 = 201,131,658.28 : x - Step 2: Convert to fraction form
357,763,854.70/493,711,149.54 = 201,131,658.28/x - Step 3: Cross multiply
357,763,854.70x = 493,711,149.54 × 201,131,658.28 - Step 4: Simplify right side
357,763,854.70x = 99,300,942,218,305,264 - Step 5: Solve for x
x = 99,300,942,218,305,264/357,763,854.70 - Step 6: Final answer
x = 277,560,018.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.