Finding the Fourth Proportional to 348,421,101.35, 480,833,808.26 and 189,643,550.94
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Solution
The fourth proportional to 348,421,101.35, 480,833,808.26 and 189,643,550.94 is: 261,715,006.52
Step by Step Solution
- Step 1: Write the proportion equation
348,421,101.35 : 480,833,808.26 = 189,643,550.94 : x - Step 2: Convert to fraction form
348,421,101.35/480,833,808.26 = 189,643,550.94/x - Step 3: Cross multiply
348,421,101.35x = 480,833,808.26 × 189,643,550.94 - Step 4: Simplify right side
348,421,101.35x = 91,187,030,809,481,280 - Step 5: Solve for x
x = 91,187,030,809,481,280/348,421,101.35 - Step 6: Final answer
x = 261,715,006.52
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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.