Finding the Fourth Proportional to 558,768,406.28, 838,282,296.04 and 190,306,550.75
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Solution
The fourth proportional to 558,768,406.28, 838,282,296.04 and 190,306,550.75 is: 285,503,995.08
Step by Step Solution
- Step 1: Write the proportion equation
558,768,406.28 : 838,282,296.04 = 190,306,550.75 : x - Step 2: Convert to fraction form
558,768,406.28/838,282,296.04 = 190,306,550.75/x - Step 3: Cross multiply
558,768,406.28x = 838,282,296.04 × 190,306,550.75 - Step 4: Simplify right side
558,768,406.28x = 159,530,612,315,782,720 - Step 5: Solve for x
x = 159,530,612,315,782,720/558,768,406.28 - Step 6: Final answer
x = 285,503,995.08
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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.