Finding the Fourth Proportional to 397,155,844.80, 595,733,767.20 and 106,022,404.80
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Solution
The fourth proportional to 397,155,844.80, 595,733,767.20 and 106,022,404.80 is: 159,033,607.20
Step by Step Solution
- Step 1: Write the proportion equation
397,155,844.80 : 595,733,767.20 = 106,022,404.80 : x - Step 2: Convert to fraction form
397,155,844.80/595,733,767.20 = 106,022,404.80/x - Step 3: Cross multiply
397,155,844.80x = 595,733,767.20 × 106,022,404.80 - Step 4: Simplify right side
397,155,844.80x = 63,161,126,619,107,368 - Step 5: Solve for x
x = 63,161,126,619,107,368/397,155,844.80 - Step 6: Final answer
x = 159,033,607.20
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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.