Finding the Fourth Proportional to 260,407,134.44, 390,391,019.94 and 214,351,276.40
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Solution
The fourth proportional to 260,407,134.44, 390,391,019.94 and 214,351,276.40 is: 321,346,086.00
Step by Step Solution
- Step 1: Write the proportion equation
260,407,134.44 : 390,391,019.94 = 214,351,276.40 : x - Step 2: Convert to fraction form
260,407,134.44/390,391,019.94 = 214,351,276.40/x - Step 3: Cross multiply
260,407,134.44x = 390,391,019.94 × 214,351,276.40 - Step 4: Simplify right side
260,407,134.44x = 83,680,813,419,236,848 - Step 5: Solve for x
x = 83,680,813,419,236,848/260,407,134.44 - Step 6: Final answer
x = 321,346,086.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.