Finding the Fourth Proportional to 327,545,416.40, 491,318,124.60 and 155,358,532.40
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Solution
The fourth proportional to 327,545,416.40, 491,318,124.60 and 155,358,532.40 is: 233,037,798.60
Step by Step Solution
- Step 1: Write the proportion equation
327,545,416.40 : 491,318,124.60 = 155,358,532.40 : x - Step 2: Convert to fraction form
327,545,416.40/491,318,124.60 = 155,358,532.40/x - Step 3: Cross multiply
327,545,416.40x = 491,318,124.60 × 155,358,532.40 - Step 4: Simplify right side
327,545,416.40x = 76,330,462,779,376,336 - Step 5: Solve for x
x = 76,330,462,779,376,336/327,545,416.40 - Step 6: Final answer
x = 233,037,798.60
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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.