Finding the Fourth Proportional to 619,453,108.10, 929,319,649.32 and 204,928,950.44
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Solution
The fourth proportional to 619,453,108.10, 929,319,649.32 and 204,928,950.44 is: 307,439,736.55
Step by Step Solution
- Step 1: Write the proportion equation
619,453,108.10 : 929,319,649.32 = 204,928,950.44 : x - Step 2: Convert to fraction form
619,453,108.10/929,319,649.32 = 204,928,950.44/x - Step 3: Cross multiply
619,453,108.10x = 929,319,649.32 × 204,928,950.44 - Step 4: Simplify right side
619,453,108.10x = 190,444,500,358,416,480 - Step 5: Solve for x
x = 190,444,500,358,416,480/619,453,108.10 - Step 6: Final answer
x = 307,439,736.55
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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.