Finding the Fourth Proportional to 278,883,634.91, 417,840,659.91 and 195,708,984.98
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Solution
The fourth proportional to 278,883,634.91, 417,840,659.91 and 195,708,984.98 is: 293,223,270.20
Step by Step Solution
- Step 1: Write the proportion equation
278,883,634.91 : 417,840,659.91 = 195,708,984.98 : x - Step 2: Convert to fraction form
278,883,634.91/417,840,659.91 = 195,708,984.98/x - Step 3: Cross multiply
278,883,634.91x = 417,840,659.91 × 195,708,984.98 - Step 4: Simplify right side
278,883,634.91x = 81,775,171,432,270,272 - Step 5: Solve for x
x = 81,775,171,432,270,272/278,883,634.91 - Step 6: Final answer
x = 293,223,270.20
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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.