Finding the Fourth Proportional to 299,258,595.12, 448,491,057.48 and 153,686,276.40
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Solution
The fourth proportional to 299,258,595.12, 448,491,057.48 and 153,686,276.40 is: 230,325,617.20
Step by Step Solution
- Step 1: Write the proportion equation
299,258,595.12 : 448,491,057.48 = 153,686,276.40 : x - Step 2: Convert to fraction form
299,258,595.12/448,491,057.48 = 153,686,276.40/x - Step 3: Cross multiply
299,258,595.12x = 448,491,057.48 × 153,686,276.40 - Step 4: Simplify right side
299,258,595.12x = 68,926,920,622,799,576 - Step 5: Solve for x
x = 68,926,920,622,799,576/299,258,595.12 - Step 6: Final answer
x = 230,325,617.20
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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.