Finding the Fourth Proportional to 958,514,738.70, 1,437,915,793.95 and 405,816,098.70
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Solution
The fourth proportional to 958,514,738.70, 1,437,915,793.95 and 405,816,098.70 is: 608,784,981.81
Step by Step Solution
- Step 1: Write the proportion equation
958,514,738.70 : 1,437,915,793.95 = 405,816,098.70 : x - Step 2: Convert to fraction form
958,514,738.70/1,437,915,793.95 = 405,816,098.70/x - Step 3: Cross multiply
958,514,738.70x = 1,437,915,793.95 × 405,816,098.70 - Step 4: Simplify right side
958,514,738.70x = 583,529,377,759,902,080 - Step 5: Solve for x
x = 583,529,377,759,902,080/958,514,738.70 - Step 6: Final answer
x = 608,784,981.81
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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.