Finding the Fourth Proportional to 398,784,303.80, 598,176,455.70 and 183,793,455.80
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Solution
The fourth proportional to 398,784,303.80, 598,176,455.70 and 183,793,455.80 is: 275,690,183.70
Step by Step Solution
- Step 1: Write the proportion equation
398,784,303.80 : 598,176,455.70 = 183,793,455.80 : x - Step 2: Convert to fraction form
398,784,303.80/598,176,455.70 = 183,793,455.80/x - Step 3: Cross multiply
398,784,303.80x = 598,176,455.70 × 183,793,455.80 - Step 4: Simplify right side
398,784,303.80x = 109,940,917,971,298,624 - Step 5: Solve for x
x = 109,940,917,971,298,624/398,784,303.80 - Step 6: Final answer
x = 275,690,183.70
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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.