Finding the Fourth Proportional to 348,420,664.83, 480,833,202.34 and 189,643,112.09
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Solution
The fourth proportional to 348,420,664.83, 480,833,202.34 and 189,643,112.09 is: 261,714,398.98
Step by Step Solution
- Step 1: Write the proportion equation
348,420,664.83 : 480,833,202.34 = 189,643,112.09 : x - Step 2: Convert to fraction form
348,420,664.83/480,833,202.34 = 189,643,112.09/x - Step 3: Cross multiply
348,420,664.83x = 480,833,202.34 × 189,643,112.09 - Step 4: Simplify right side
348,420,664.83x = 91,186,704,887,594,288 - Step 5: Solve for x
x = 91,186,704,887,594,288/348,420,664.83 - Step 6: Final answer
x = 261,714,398.98
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.