Finding the Fourth Proportional to 347,921,113.19, 480,102,739.31 and 204,844,292.69
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Solution
The fourth proportional to 347,921,113.19, 480,102,739.31 and 204,844,292.69 is: 282,668,404.77
Step by Step Solution
- Step 1: Write the proportion equation
347,921,113.19 : 480,102,739.31 = 204,844,292.69 : x - Step 2: Convert to fraction form
347,921,113.19/480,102,739.31 = 204,844,292.69/x - Step 3: Cross multiply
347,921,113.19x = 480,102,739.31 × 204,844,292.69 - Step 4: Simplify right side
347,921,113.19x = 98,346,306,050,600,000 - Step 5: Solve for x
x = 98,346,306,050,600,000/347,921,113.19 - Step 6: Final answer
x = 282,668,404.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.