Finding the Fourth Proportional to 553,317,826.62, 829,465,982.48 and 276,728,357.62
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Solution
The fourth proportional to 553,317,826.62, 829,465,982.48 and 276,728,357.62 is: 414,837,093.60
Step by Step Solution
- Step 1: Write the proportion equation
553,317,826.62 : 829,465,982.48 = 276,728,357.62 : x - Step 2: Convert to fraction form
553,317,826.62/829,465,982.48 = 276,728,357.62/x - Step 3: Cross multiply
553,317,826.62x = 829,465,982.48 × 276,728,357.62 - Step 4: Simplify right side
553,317,826.62x = 229,536,759,033,127,072 - Step 5: Solve for x
x = 229,536,759,033,127,072/553,317,826.62 - Step 6: Final answer
x = 414,837,093.60
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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.