Finding the Fourth Proportional to 534,172,532.13, 801,274,544.63 and 455,956,285.05
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Solution
The fourth proportional to 534,172,532.13, 801,274,544.63 and 455,956,285.05 is: 683,947,868.33
Step by Step Solution
- Step 1: Write the proportion equation
534,172,532.13 : 801,274,544.63 = 455,956,285.05 : x - Step 2: Convert to fraction form
534,172,532.13/801,274,544.63 = 455,956,285.05/x - Step 3: Cross multiply
534,172,532.13x = 801,274,544.63 × 455,956,285.05 - Step 4: Simplify right side
534,172,532.13x = 365,346,164,672,345,472 - Step 5: Solve for x
x = 365,346,164,672,345,472/534,172,532.13 - Step 6: Final answer
x = 683,947,868.33
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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.