Finding the Fourth Proportional to 459,291,932.70, 688,937,899.05 and 330,151,769.70
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Solution
The fourth proportional to 459,291,932.70, 688,937,899.05 and 330,151,769.70 is: 495,227,654.55
Step by Step Solution
- Step 1: Write the proportion equation
459,291,932.70 : 688,937,899.05 = 330,151,769.70 : x - Step 2: Convert to fraction form
459,291,932.70/688,937,899.05 = 330,151,769.70/x - Step 3: Cross multiply
459,291,932.70x = 688,937,899.05 × 330,151,769.70 - Step 4: Simplify right side
459,291,932.70x = 227,454,066,584,757,440 - Step 5: Solve for x
x = 227,454,066,584,757,440/459,291,932.70 - Step 6: Final answer
x = 495,227,654.55
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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.