Finding the Fourth Proportional to 403,358,523.70, 605,037,785.55 and 250,303,515.70
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Solution
The fourth proportional to 403,358,523.70, 605,037,785.55 and 250,303,515.70 is: 375,455,273.55
Step by Step Solution
- Step 1: Write the proportion equation
403,358,523.70 : 605,037,785.55 = 250,303,515.70 : x - Step 2: Convert to fraction form
403,358,523.70/605,037,785.55 = 250,303,515.70/x - Step 3: Cross multiply
403,358,523.70x = 605,037,785.55 × 250,303,515.70 - Step 4: Simplify right side
403,358,523.70x = 151,443,084,854,507,648 - Step 5: Solve for x
x = 151,443,084,854,507,648/403,358,523.70 - Step 6: Final answer
x = 375,455,273.55
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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.