Finding the Fourth Proportional to 403,358,515.20, 605,037,772.80 and 250,303,507.20
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Solution
The fourth proportional to 403,358,515.20, 605,037,772.80 and 250,303,507.20 is: 375,455,260.80
Step by Step Solution
- Step 1: Write the proportion equation
403,358,515.20 : 605,037,772.80 = 250,303,507.20 : x - Step 2: Convert to fraction form
403,358,515.20/605,037,772.80 = 250,303,507.20/x - Step 3: Cross multiply
403,358,515.20x = 605,037,772.80 × 250,303,507.20 - Step 4: Simplify right side
403,358,515.20x = 151,443,076,520,316,736 - Step 5: Solve for x
x = 151,443,076,520,316,736/403,358,515.20 - Step 6: Final answer
x = 375,455,260.80
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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.