Finding the Fourth Proportional to 347,921,121.18, 480,102,750.36 and 204,844,300.68
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Solution
The fourth proportional to 347,921,121.18, 480,102,750.36 and 204,844,300.68 is: 282,668,415.81
Step by Step Solution
- Step 1: Write the proportion equation
347,921,121.18 : 480,102,750.36 = 204,844,300.68 : x - Step 2: Convert to fraction form
347,921,121.18/480,102,750.36 = 204,844,300.68/x - Step 3: Cross multiply
347,921,121.18x = 480,102,750.36 × 204,844,300.68 - Step 4: Simplify right side
347,921,121.18x = 98,346,312,152,038,832 - Step 5: Solve for x
x = 98,346,312,152,038,832/347,921,121.18 - Step 6: Final answer
x = 282,668,415.81
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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.